diff --git a/examples/tabs/Tabs.ll b/examples/tabs/Tabs.ll
index 8fd9e0c..e7fe81e 100644
--- a/examples/tabs/Tabs.ll
+++ b/examples/tabs/Tabs.ll
@@ -2,26 +2,26 @@
 ; Components: VerticalTabs, Tabs
 
 ; String constants
-@.str.0 = private unnamed_addr constant [4 x i8] c"div\00"
-@.str.1 = private unnamed_addr constant [6 x i8] c"class\00"
-@.str.2 = private unnamed_addr constant [13 x i8] c"setting-pane\00"
-@.str.3 = private unnamed_addr constant [3 x i8] c"h3\00"
-@.str.4 = private unnamed_addr constant [24 x i8] c"⚙️ General Settings\00"
-@.str.5 = private unnamed_addr constant [2 x i8] c"p\00"
-@.str.6 = private unnamed_addr constant [18 x i8] c"Language: English\00"
-@.str.7 = private unnamed_addr constant [15 x i8] c"Time Zone: UTC\00"
-@.str.8 = private unnamed_addr constant [22 x i8] c"🔒 Privacy Settings\00"
-@.str.9 = private unnamed_addr constant [26 x i8] c"Data Collection: Disabled\00"
-@.str.10 = private unnamed_addr constant [19 x i8] c"Analytics: Opt-out\00"
-@.str.11 = private unnamed_addr constant [23 x i8] c"🚀 Advanced Settings\00"
-@.str.12 = private unnamed_addr constant [16 x i8] c"Debug Mode: Off\00"
-@.str.13 = private unnamed_addr constant [32 x i8] c"Experimental Features: Disabled\00"
-@.str.14 = private unnamed_addr constant [16 x i8] c"Invalid setting\00"
-@.str.15 = private unnamed_addr constant [14 x i8] c"vertical-tabs\00"
-@.str.16 = private unnamed_addr constant [18 x i8] c"vertical-tab-menu\00"
-@.str.17 = private unnamed_addr constant [7 x i8] c"button\00"
-@.str.18 = private unnamed_addr constant [20 x i8] c"vertical-tab active\00"
-@.str.19 = private unnamed_addr constant [13 x i8] c"vertical-tab\00"
+@.str.0 = private unnamed_addr constant [20 x i8] c"vertical-tab active\00"
+@.str.1 = private unnamed_addr constant [13 x i8] c"vertical-tab\00"
+@.str.2 = private unnamed_addr constant [6 x i8] c"class\00"
+@.str.3 = private unnamed_addr constant [4 x i8] c"div\00"
+@.str.4 = private unnamed_addr constant [13 x i8] c"setting-pane\00"
+@.str.5 = private unnamed_addr constant [3 x i8] c"h3\00"
+@.str.6 = private unnamed_addr constant [24 x i8] c"⚙️ General Settings\00"
+@.str.7 = private unnamed_addr constant [2 x i8] c"p\00"
+@.str.8 = private unnamed_addr constant [18 x i8] c"Language: English\00"
+@.str.9 = private unnamed_addr constant [15 x i8] c"Time Zone: UTC\00"
+@.str.10 = private unnamed_addr constant [22 x i8] c"🔒 Privacy Settings\00"
+@.str.11 = private unnamed_addr constant [26 x i8] c"Data Collection: Disabled\00"
+@.str.12 = private unnamed_addr constant [19 x i8] c"Analytics: Opt-out\00"
+@.str.13 = private unnamed_addr constant [23 x i8] c"🚀 Advanced Settings\00"
+@.str.14 = private unnamed_addr constant [16 x i8] c"Debug Mode: Off\00"
+@.str.15 = private unnamed_addr constant [32 x i8] c"Experimental Features: Disabled\00"
+@.str.16 = private unnamed_addr constant [16 x i8] c"Invalid setting\00"
+@.str.17 = private unnamed_addr constant [14 x i8] c"vertical-tabs\00"
+@.str.18 = private unnamed_addr constant [18 x i8] c"vertical-tab-menu\00"
+@.str.19 = private unnamed_addr constant [7 x i8] c"button\00"
 @.str.20 = private unnamed_addr constant [6 x i8] c"click\00"
 @.str.21 = private unnamed_addr constant [23 x i8] c"_lambda_0_VerticalTabs\00"
 @.str.22 = private unnamed_addr constant [15 x i8] c"⚙️ General\00"
@@ -30,36 +30,36 @@
 @.str.25 = private unnamed_addr constant [23 x i8] c"_lambda_2_VerticalTabs\00"
 @.str.26 = private unnamed_addr constant [14 x i8] c"🚀 Advanced\00"
 @.str.27 = private unnamed_addr constant [21 x i8] c"vertical-tab-content\00"
-@.str.28 = private unnamed_addr constant [14 x i8] c"tab-pane home\00"
-@.str.29 = private unnamed_addr constant [3 x i8] c"h2\00"
-@.str.30 = private unnamed_addr constant [18 x i8] c"🏠 Welcome Home\00"
-@.str.31 = private unnamed_addr constant [29 x i8] c"This is your home dashboard.\00"
-@.str.32 = private unnamed_addr constant [37 x i8] c"All your important info at a glance.\00"
-@.str.33 = private unnamed_addr constant [3 x i8] c"ul\00"
-@.str.34 = private unnamed_addr constant [3 x i8] c"li\00"
-@.str.35 = private unnamed_addr constant [20 x i8] c"✓ Recent activity\00"
-@.str.36 = private unnamed_addr constant [18 x i8] c"✓ Quick actions\00"
-@.str.37 = private unnamed_addr constant [18 x i8] c"✓ Summary stats\00"
-@.str.38 = private unnamed_addr constant [17 x i8] c"tab-pane profile\00"
-@.str.39 = private unnamed_addr constant [18 x i8] c"👤 Your Profile\00"
-@.str.40 = private unnamed_addr constant [30 x i8] c"Manage your account settings.\00"
-@.str.41 = private unnamed_addr constant [13 x i8] c"profile-info\00"
-@.str.42 = private unnamed_addr constant [16 x i8] c"Name: Ritz User\00"
-@.str.43 = private unnamed_addr constant [21 x i8] c"Email: user@ritz.dev\00"
-@.str.44 = private unnamed_addr constant [19 x i8] c"Member since: 2025\00"
-@.str.45 = private unnamed_addr constant [18 x i8] c"tab-pane settings\00"
-@.str.46 = private unnamed_addr constant [16 x i8] c"⚙️ Settings\00"
-@.str.47 = private unnamed_addr constant [55 x i8] c"Configure your preferences using the categories below:\00"
-@.str.48 = private unnamed_addr constant [15 x i8] c"tab-pane error\00"
-@.str.49 = private unnamed_addr constant [28 x i8] c"⚠️ Invalid tab selected\00"
-@.str.50 = private unnamed_addr constant [15 x i8] c"tabs-container\00"
-@.str.51 = private unnamed_addr constant [3 x i8] c"h1\00"
-@.str.52 = private unnamed_addr constant [19 x i8] c"Tab Component Demo\00"
-@.str.53 = private unnamed_addr constant [9 x i8] c"subtitle\00"
-@.str.54 = private unnamed_addr constant [58 x i8] c"Beautiful composition with TabMenu and TabPane components\00"
-@.str.55 = private unnamed_addr constant [9 x i8] c"tab-menu\00"
-@.str.56 = private unnamed_addr constant [11 x i8] c"tab active\00"
-@.str.57 = private unnamed_addr constant [4 x i8] c"tab\00"
+@.str.28 = private unnamed_addr constant [11 x i8] c"tab active\00"
+@.str.29 = private unnamed_addr constant [4 x i8] c"tab\00"
+@.str.30 = private unnamed_addr constant [14 x i8] c"tab-pane home\00"
+@.str.31 = private unnamed_addr constant [3 x i8] c"h2\00"
+@.str.32 = private unnamed_addr constant [18 x i8] c"🏠 Welcome Home\00"
+@.str.33 = private unnamed_addr constant [29 x i8] c"This is your home dashboard.\00"
+@.str.34 = private unnamed_addr constant [37 x i8] c"All your important info at a glance.\00"
+@.str.35 = private unnamed_addr constant [3 x i8] c"ul\00"
+@.str.36 = private unnamed_addr constant [3 x i8] c"li\00"
+@.str.37 = private unnamed_addr constant [20 x i8] c"✓ Recent activity\00"
+@.str.38 = private unnamed_addr constant [18 x i8] c"✓ Quick actions\00"
+@.str.39 = private unnamed_addr constant [18 x i8] c"✓ Summary stats\00"
+@.str.40 = private unnamed_addr constant [17 x i8] c"tab-pane profile\00"
+@.str.41 = private unnamed_addr constant [18 x i8] c"👤 Your Profile\00"
+@.str.42 = private unnamed_addr constant [30 x i8] c"Manage your account settings.\00"
+@.str.43 = private unnamed_addr constant [13 x i8] c"profile-info\00"
+@.str.44 = private unnamed_addr constant [16 x i8] c"Name: Ritz User\00"
+@.str.45 = private unnamed_addr constant [21 x i8] c"Email: user@ritz.dev\00"
+@.str.46 = private unnamed_addr constant [19 x i8] c"Member since: 2025\00"
+@.str.47 = private unnamed_addr constant [18 x i8] c"tab-pane settings\00"
+@.str.48 = private unnamed_addr constant [16 x i8] c"⚙️ Settings\00"
+@.str.49 = private unnamed_addr constant [55 x i8] c"Configure your preferences using the categories below:\00"
+@.str.50 = private unnamed_addr constant [15 x i8] c"tab-pane error\00"
+@.str.51 = private unnamed_addr constant [28 x i8] c"⚠️ Invalid tab selected\00"
+@.str.52 = private unnamed_addr constant [15 x i8] c"tabs-container\00"
+@.str.53 = private unnamed_addr constant [3 x i8] c"h1\00"
+@.str.54 = private unnamed_addr constant [19 x i8] c"Tab Component Demo\00"
+@.str.55 = private unnamed_addr constant [9 x i8] c"subtitle\00"
+@.str.56 = private unnamed_addr constant [58 x i8] c"Beautiful composition with TabMenu and TabPane components\00"
+@.str.57 = private unnamed_addr constant [9 x i8] c"tab-menu\00"
 @.str.58 = private unnamed_addr constant [15 x i8] c"_lambda_0_Tabs\00"
 @.str.59 = private unnamed_addr constant [10 x i8] c"🏠 Home\00"
 @.str.60 = private unnamed_addr constant [15 x i8] c"_lambda_1_Tabs\00"
@@ -91,6 +91,11 @@ declare void @js_replace_at_marker(i32, i32, i32)
 @cond_0_case_2_root = global i32 0
 @cond_0_case_3_root = global i32 0
 
+; Reactive attribute element storage
+@reactive_attr_0_elem = global i32 0
+@reactive_attr_1_elem = global i32 0
+@reactive_attr_2_elem = global i32 0
+
 ; Signal helper functions
 define i32 @get_setting_tab() {
 entry:
@@ -131,6 +136,27 @@ define void @set_setting(i32 %value) {
 entry:
   store i32 %value, i32* @signal_VerticalTabs_setting_tab
   call void @reevaluate_conditional_0()
+  %var0 = load i32, i32* @reactive_attr_0_elem
+  %var1 = load i32, i32* @signal_VerticalTabs_setting_tab
+  %var2 = icmp eq i32 %var1, 0
+  %var3 = zext i1 %var2 to i32
+  %var4 = icmp ne i32 %var3, 0
+  %var5 = select i1 %var4, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.0, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var5)
+  %var6 = load i32, i32* @reactive_attr_1_elem
+  %var7 = load i32, i32* @signal_VerticalTabs_setting_tab
+  %var8 = icmp eq i32 %var7, 1
+  %var9 = zext i1 %var8 to i32
+  %var10 = icmp ne i32 %var9, 0
+  %var11 = select i1 %var10, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.0, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var6, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var11)
+  %var12 = load i32, i32* @reactive_attr_2_elem
+  %var13 = load i32, i32* @signal_VerticalTabs_setting_tab
+  %var14 = icmp eq i32 %var13, 2
+  %var15 = zext i1 %var14 to i32
+  %var16 = icmp ne i32 %var15, 0
+  %var17 = select i1 %var16, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.0, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var12, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var17)
   ret void
 }
 
@@ -138,35 +164,35 @@ entry:
 define void @_init_conditional_0() {
 entry:
   ; Render all cases upfront
-  %var0 = call i32 @_render_cond_0_case_0()
-  store i32 %var0, i32* @cond_0_case_0_root
-  %var1 = call i32 @_render_cond_0_case_1()
-  store i32 %var1, i32* @cond_0_case_1_root
-  %var2 = call i32 @_render_cond_0_case_2()
-  store i32 %var2, i32* @cond_0_case_2_root
-  %var3 = call i32 @_render_cond_0_case_3()
-  store i32 %var3, i32* @cond_0_case_3_root
-  %var4 = load i32, i32* @signal_VerticalTabs_setting_tab
-  %var5 = load i32, i32* @cond_0_marker
-  switch i32 %var4, label %insert_case_3 [
+  %var18 = call i32 @_render_cond_0_case_0()
+  store i32 %var18, i32* @cond_0_case_0_root
+  %var19 = call i32 @_render_cond_0_case_1()
+  store i32 %var19, i32* @cond_0_case_1_root
+  %var20 = call i32 @_render_cond_0_case_2()
+  store i32 %var20, i32* @cond_0_case_2_root
+  %var21 = call i32 @_render_cond_0_case_3()
+  store i32 %var21, i32* @cond_0_case_3_root
+  %var22 = load i32, i32* @signal_VerticalTabs_setting_tab
+  %var23 = load i32, i32* @cond_0_marker
+  switch i32 %var22, label %insert_case_3 [
     i32 0, label %insert_case_0
     i32 1, label %insert_case_1
     i32 2, label %insert_case_2
   ]
 insert_case_0:
-  call void @js_replace_at_marker(i32 %var5, i32 0, i32 %var0)
+  call void @js_replace_at_marker(i32 %var23, i32 0, i32 %var18)
   store i32 0, i32* @cond_0_current
   ret void
 insert_case_1:
-  call void @js_replace_at_marker(i32 %var5, i32 0, i32 %var1)
+  call void @js_replace_at_marker(i32 %var23, i32 0, i32 %var19)
   store i32 1, i32* @cond_0_current
   ret void
 insert_case_2:
-  call void @js_replace_at_marker(i32 %var5, i32 0, i32 %var2)
+  call void @js_replace_at_marker(i32 %var23, i32 0, i32 %var20)
   store i32 2, i32* @cond_0_current
   ret void
 insert_case_3:
-  call void @js_replace_at_marker(i32 %var5, i32 0, i32 %var3)
+  call void @js_replace_at_marker(i32 %var23, i32 0, i32 %var21)
   store i32 3, i32* @cond_0_current
   ret void
 }
@@ -174,127 +200,127 @@ insert_case_3:
 ; Re-evaluate conditional 0 (match)
 define void @reevaluate_conditional_0() {
 entry:
-  %var6 = load i32, i32* @signal_VerticalTabs_setting_tab
-  %var7 = load i32, i32* @cond_0_current
-  switch i32 %var6, label %case_3 [
+  %var24 = load i32, i32* @signal_VerticalTabs_setting_tab
+  %var25 = load i32, i32* @cond_0_current
+  switch i32 %var24, label %case_3 [
     i32 0, label %case_0
     i32 1, label %case_1
     i32 2, label %case_2
   ]
 case_0:
-  %var8 = icmp ne i32 %var7, 0
-  br i1 %var8, label %swap_0, label %done
+  %var26 = icmp ne i32 %var25, 0
+  br i1 %var26, label %swap_0, label %done
 swap_0:
-  %var9 = load i32, i32* @cond_0_marker
-  %var10 = load i32, i32* @cond_0_case_0_root
-  switch i32 %var7, label %load_old_0_3 [
+  %var27 = load i32, i32* @cond_0_marker
+  %var28 = load i32, i32* @cond_0_case_0_root
+  switch i32 %var25, label %load_old_0_3 [
     i32 0, label %load_old_0_0
     i32 1, label %load_old_0_1
     i32 2, label %load_old_0_2
     i32 3, label %load_old_0_3
   ]
 load_old_0_0:
-  %var12 = load i32, i32* @cond_0_case_0_root
+  %var30 = load i32, i32* @cond_0_case_0_root
   br label %merge_0
 load_old_0_1:
-  %var13 = load i32, i32* @cond_0_case_1_root
+  %var31 = load i32, i32* @cond_0_case_1_root
   br label %merge_0
 load_old_0_2:
-  %var14 = load i32, i32* @cond_0_case_2_root
+  %var32 = load i32, i32* @cond_0_case_2_root
   br label %merge_0
 load_old_0_3:
-  %var15 = load i32, i32* @cond_0_case_3_root
+  %var33 = load i32, i32* @cond_0_case_3_root
   br label %merge_0
 merge_0:
-  %var11 = phi i32 [ %var12, %load_old_0_0 ], [ %var13, %load_old_0_1 ], [ %var14, %load_old_0_2 ], [ %var15, %load_old_0_3 ]
-  call void @js_replace_at_marker(i32 %var9, i32 %var11, i32 %var10)
+  %var29 = phi i32 [ %var30, %load_old_0_0 ], [ %var31, %load_old_0_1 ], [ %var32, %load_old_0_2 ], [ %var33, %load_old_0_3 ]
+  call void @js_replace_at_marker(i32 %var27, i32 %var29, i32 %var28)
   store i32 0, i32* @cond_0_current
   br label %done
 case_1:
-  %var16 = icmp ne i32 %var7, 1
-  br i1 %var16, label %swap_1, label %done
+  %var34 = icmp ne i32 %var25, 1
+  br i1 %var34, label %swap_1, label %done
 swap_1:
-  %var17 = load i32, i32* @cond_0_marker
-  %var18 = load i32, i32* @cond_0_case_1_root
-  switch i32 %var7, label %load_old_1_3 [
+  %var35 = load i32, i32* @cond_0_marker
+  %var36 = load i32, i32* @cond_0_case_1_root
+  switch i32 %var25, label %load_old_1_3 [
     i32 0, label %load_old_1_0
     i32 1, label %load_old_1_1
     i32 2, label %load_old_1_2
     i32 3, label %load_old_1_3
   ]
 load_old_1_0:
-  %var20 = load i32, i32* @cond_0_case_0_root
+  %var38 = load i32, i32* @cond_0_case_0_root
   br label %merge_1
 load_old_1_1:
-  %var21 = load i32, i32* @cond_0_case_1_root
+  %var39 = load i32, i32* @cond_0_case_1_root
   br label %merge_1
 load_old_1_2:
-  %var22 = load i32, i32* @cond_0_case_2_root
+  %var40 = load i32, i32* @cond_0_case_2_root
   br label %merge_1
 load_old_1_3:
-  %var23 = load i32, i32* @cond_0_case_3_root
+  %var41 = load i32, i32* @cond_0_case_3_root
   br label %merge_1
 merge_1:
-  %var19 = phi i32 [ %var20, %load_old_1_0 ], [ %var21, %load_old_1_1 ], [ %var22, %load_old_1_2 ], [ %var23, %load_old_1_3 ]
-  call void @js_replace_at_marker(i32 %var17, i32 %var19, i32 %var18)
+  %var37 = phi i32 [ %var38, %load_old_1_0 ], [ %var39, %load_old_1_1 ], [ %var40, %load_old_1_2 ], [ %var41, %load_old_1_3 ]
+  call void @js_replace_at_marker(i32 %var35, i32 %var37, i32 %var36)
   store i32 1, i32* @cond_0_current
   br label %done
 case_2:
-  %var24 = icmp ne i32 %var7, 2
-  br i1 %var24, label %swap_2, label %done
+  %var42 = icmp ne i32 %var25, 2
+  br i1 %var42, label %swap_2, label %done
 swap_2:
-  %var25 = load i32, i32* @cond_0_marker
-  %var26 = load i32, i32* @cond_0_case_2_root
-  switch i32 %var7, label %load_old_2_3 [
+  %var43 = load i32, i32* @cond_0_marker
+  %var44 = load i32, i32* @cond_0_case_2_root
+  switch i32 %var25, label %load_old_2_3 [
     i32 0, label %load_old_2_0
     i32 1, label %load_old_2_1
     i32 2, label %load_old_2_2
     i32 3, label %load_old_2_3
   ]
 load_old_2_0:
-  %var28 = load i32, i32* @cond_0_case_0_root
+  %var46 = load i32, i32* @cond_0_case_0_root
   br label %merge_2
 load_old_2_1:
-  %var29 = load i32, i32* @cond_0_case_1_root
+  %var47 = load i32, i32* @cond_0_case_1_root
   br label %merge_2
 load_old_2_2:
-  %var30 = load i32, i32* @cond_0_case_2_root
+  %var48 = load i32, i32* @cond_0_case_2_root
   br label %merge_2
 load_old_2_3:
-  %var31 = load i32, i32* @cond_0_case_3_root
+  %var49 = load i32, i32* @cond_0_case_3_root
   br label %merge_2
 merge_2:
-  %var27 = phi i32 [ %var28, %load_old_2_0 ], [ %var29, %load_old_2_1 ], [ %var30, %load_old_2_2 ], [ %var31, %load_old_2_3 ]
-  call void @js_replace_at_marker(i32 %var25, i32 %var27, i32 %var26)
+  %var45 = phi i32 [ %var46, %load_old_2_0 ], [ %var47, %load_old_2_1 ], [ %var48, %load_old_2_2 ], [ %var49, %load_old_2_3 ]
+  call void @js_replace_at_marker(i32 %var43, i32 %var45, i32 %var44)
   store i32 2, i32* @cond_0_current
   br label %done
 case_3:
-  %var32 = icmp ne i32 %var7, 3
-  br i1 %var32, label %swap_3, label %done
+  %var50 = icmp ne i32 %var25, 3
+  br i1 %var50, label %swap_3, label %done
 swap_3:
-  %var33 = load i32, i32* @cond_0_marker
-  %var34 = load i32, i32* @cond_0_case_3_root
-  switch i32 %var7, label %load_old_3_3 [
+  %var51 = load i32, i32* @cond_0_marker
+  %var52 = load i32, i32* @cond_0_case_3_root
+  switch i32 %var25, label %load_old_3_3 [
     i32 0, label %load_old_3_0
     i32 1, label %load_old_3_1
     i32 2, label %load_old_3_2
     i32 3, label %load_old_3_3
   ]
 load_old_3_0:
-  %var36 = load i32, i32* @cond_0_case_0_root
+  %var54 = load i32, i32* @cond_0_case_0_root
   br label %merge_3
 load_old_3_1:
-  %var37 = load i32, i32* @cond_0_case_1_root
+  %var55 = load i32, i32* @cond_0_case_1_root
   br label %merge_3
 load_old_3_2:
-  %var38 = load i32, i32* @cond_0_case_2_root
+  %var56 = load i32, i32* @cond_0_case_2_root
   br label %merge_3
 load_old_3_3:
-  %var39 = load i32, i32* @cond_0_case_3_root
+  %var57 = load i32, i32* @cond_0_case_3_root
   br label %merge_3
 merge_3:
-  %var35 = phi i32 [ %var36, %load_old_3_0 ], [ %var37, %load_old_3_1 ], [ %var38, %load_old_3_2 ], [ %var39, %load_old_3_3 ]
-  call void @js_replace_at_marker(i32 %var33, i32 %var35, i32 %var34)
+  %var53 = phi i32 [ %var54, %load_old_3_0 ], [ %var55, %load_old_3_1 ], [ %var56, %load_old_3_2 ], [ %var57, %load_old_3_3 ]
+  call void @js_replace_at_marker(i32 %var51, i32 %var53, i32 %var52)
   store i32 3, i32* @cond_0_current
   br label %done
 done:
@@ -303,144 +329,147 @@ done:
 
 define i32 @_render_cond_0_case_0() {
 entry:
-  %var40 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  %var41 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var41, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i32 0, i32 0))
-  %var42 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i32 0, i32 0))
-  %var43 = call i32 @js_create_text(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.4, i32 0, i32 0))
-  call void @js_append_child(i32 %var42, i32 %var43)
-  call void @js_append_child(i32 %var41, i32 %var42)
-  call void @js_append_child(i32 %var41, i32 %var42)
-  %var44 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var45 = call i32 @js_create_text(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.6, i32 0, i32 0))
-  call void @js_append_child(i32 %var44, i32 %var45)
-  call void @js_append_child(i32 %var41, i32 %var44)
-  call void @js_append_child(i32 %var41, i32 %var44)
-  %var46 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var47 = call i32 @js_create_text(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.7, i32 0, i32 0))
-  call void @js_append_child(i32 %var46, i32 %var47)
-  call void @js_append_child(i32 %var41, i32 %var46)
-  call void @js_append_child(i32 %var41, i32 %var46)
-  call void @js_append_child(i32 %var40, i32 %var41)
-  ret i32 %var40
+  %var58 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  %var59 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var59, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i32 0, i32 0))
+  %var60 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i32 0, i32 0))
+  %var61 = call i32 @js_create_text(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.6, i32 0, i32 0))
+  call void @js_append_child(i32 %var60, i32 %var61)
+  call void @js_append_child(i32 %var59, i32 %var60)
+  call void @js_append_child(i32 %var59, i32 %var60)
+  %var62 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var63 = call i32 @js_create_text(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.8, i32 0, i32 0))
+  call void @js_append_child(i32 %var62, i32 %var63)
+  call void @js_append_child(i32 %var59, i32 %var62)
+  call void @js_append_child(i32 %var59, i32 %var62)
+  %var64 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var65 = call i32 @js_create_text(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.9, i32 0, i32 0))
+  call void @js_append_child(i32 %var64, i32 %var65)
+  call void @js_append_child(i32 %var59, i32 %var64)
+  call void @js_append_child(i32 %var59, i32 %var64)
+  call void @js_append_child(i32 %var58, i32 %var59)
+  ret i32 %var58
 }
 
 define i32 @_render_cond_0_case_1() {
 entry:
-  %var48 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  %var49 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var49, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i32 0, i32 0))
-  %var50 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i32 0, i32 0))
-  %var51 = call i32 @js_create_text(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.8, i32 0, i32 0))
-  call void @js_append_child(i32 %var50, i32 %var51)
-  call void @js_append_child(i32 %var49, i32 %var50)
-  call void @js_append_child(i32 %var49, i32 %var50)
-  %var52 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var53 = call i32 @js_create_text(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.9, i32 0, i32 0))
-  call void @js_append_child(i32 %var52, i32 %var53)
-  call void @js_append_child(i32 %var49, i32 %var52)
-  call void @js_append_child(i32 %var49, i32 %var52)
-  %var54 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var55 = call i32 @js_create_text(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.10, i32 0, i32 0))
-  call void @js_append_child(i32 %var54, i32 %var55)
-  call void @js_append_child(i32 %var49, i32 %var54)
-  call void @js_append_child(i32 %var49, i32 %var54)
-  call void @js_append_child(i32 %var48, i32 %var49)
-  ret i32 %var48
+  %var66 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  %var67 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var67, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i32 0, i32 0))
+  %var68 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i32 0, i32 0))
+  %var69 = call i32 @js_create_text(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.10, i32 0, i32 0))
+  call void @js_append_child(i32 %var68, i32 %var69)
+  call void @js_append_child(i32 %var67, i32 %var68)
+  call void @js_append_child(i32 %var67, i32 %var68)
+  %var70 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var71 = call i32 @js_create_text(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.11, i32 0, i32 0))
+  call void @js_append_child(i32 %var70, i32 %var71)
+  call void @js_append_child(i32 %var67, i32 %var70)
+  call void @js_append_child(i32 %var67, i32 %var70)
+  %var72 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var73 = call i32 @js_create_text(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.12, i32 0, i32 0))
+  call void @js_append_child(i32 %var72, i32 %var73)
+  call void @js_append_child(i32 %var67, i32 %var72)
+  call void @js_append_child(i32 %var67, i32 %var72)
+  call void @js_append_child(i32 %var66, i32 %var67)
+  ret i32 %var66
 }
 
 define i32 @_render_cond_0_case_2() {
 entry:
-  %var56 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  %var57 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var57, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i32 0, i32 0))
-  %var58 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i32 0, i32 0))
-  %var59 = call i32 @js_create_text(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.11, i32 0, i32 0))
-  call void @js_append_child(i32 %var58, i32 %var59)
-  call void @js_append_child(i32 %var57, i32 %var58)
-  call void @js_append_child(i32 %var57, i32 %var58)
-  %var60 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var61 = call i32 @js_create_text(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.12, i32 0, i32 0))
-  call void @js_append_child(i32 %var60, i32 %var61)
-  call void @js_append_child(i32 %var57, i32 %var60)
-  call void @js_append_child(i32 %var57, i32 %var60)
-  %var62 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var63 = call i32 @js_create_text(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.13, i32 0, i32 0))
-  call void @js_append_child(i32 %var62, i32 %var63)
-  call void @js_append_child(i32 %var57, i32 %var62)
-  call void @js_append_child(i32 %var57, i32 %var62)
-  call void @js_append_child(i32 %var56, i32 %var57)
-  ret i32 %var56
+  %var74 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  %var75 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var75, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i32 0, i32 0))
+  %var76 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i32 0, i32 0))
+  %var77 = call i32 @js_create_text(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.13, i32 0, i32 0))
+  call void @js_append_child(i32 %var76, i32 %var77)
+  call void @js_append_child(i32 %var75, i32 %var76)
+  call void @js_append_child(i32 %var75, i32 %var76)
+  %var78 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var79 = call i32 @js_create_text(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.14, i32 0, i32 0))
+  call void @js_append_child(i32 %var78, i32 %var79)
+  call void @js_append_child(i32 %var75, i32 %var78)
+  call void @js_append_child(i32 %var75, i32 %var78)
+  %var80 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var81 = call i32 @js_create_text(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.15, i32 0, i32 0))
+  call void @js_append_child(i32 %var80, i32 %var81)
+  call void @js_append_child(i32 %var75, i32 %var80)
+  call void @js_append_child(i32 %var75, i32 %var80)
+  call void @js_append_child(i32 %var74, i32 %var75)
+  ret i32 %var74
 }
 
 define i32 @_render_cond_0_case_3() {
 entry:
-  %var64 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  %var65 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var65, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i32 0, i32 0))
-  %var66 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var67 = call i32 @js_create_text(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.14, i32 0, i32 0))
-  call void @js_append_child(i32 %var66, i32 %var67)
-  call void @js_append_child(i32 %var65, i32 %var66)
-  call void @js_append_child(i32 %var65, i32 %var66)
-  call void @js_append_child(i32 %var64, i32 %var65)
-  ret i32 %var64
+  %var82 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  %var83 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var83, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i32 0, i32 0))
+  %var84 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var85 = call i32 @js_create_text(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.16, i32 0, i32 0))
+  call void @js_append_child(i32 %var84, i32 %var85)
+  call void @js_append_child(i32 %var83, i32 %var84)
+  call void @js_append_child(i32 %var83, i32 %var84)
+  call void @js_append_child(i32 %var82, i32 %var83)
+  ret i32 %var82
 }
 
 ; Component render function
 define i32 @render_VerticalTabs() {
 entry:
-  %var68 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var68, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.15, i32 0, i32 0))
-  %var69 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var69, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.16, i32 0, i32 0))
-  %var70 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.17, i32 0, i32 0))
-  %var71 = load i32, i32* @signal_VerticalTabs_setting_tab
-  %var72 = icmp eq i32 %var71, 0
-  %var73 = zext i1 %var72 to i32
-  %var74 = icmp ne i32 %var73, 0
-  %var75 = select i1 %var74, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.18, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.19, i32 0, i32 0)
-  call void @js_set_attribute(i32 %var70, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* %var75)
-  call void @js_bind_event(i32 %var70, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.21, i32 0, i32 0))
-  %var76 = call i32 @js_create_text(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.22, i32 0, i32 0))
-  call void @js_append_child(i32 %var70, i32 %var76)
-  call void @js_append_child(i32 %var69, i32 %var70)
-  call void @js_append_child(i32 %var69, i32 %var70)
-  %var77 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.17, i32 0, i32 0))
-  %var78 = load i32, i32* @signal_VerticalTabs_setting_tab
-  %var79 = icmp eq i32 %var78, 1
-  %var80 = zext i1 %var79 to i32
-  %var81 = icmp ne i32 %var80, 0
-  %var82 = select i1 %var81, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.18, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.19, i32 0, i32 0)
-  call void @js_set_attribute(i32 %var77, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* %var82)
-  call void @js_bind_event(i32 %var77, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.23, i32 0, i32 0))
-  %var83 = call i32 @js_create_text(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.24, i32 0, i32 0))
-  call void @js_append_child(i32 %var77, i32 %var83)
-  call void @js_append_child(i32 %var69, i32 %var77)
-  call void @js_append_child(i32 %var69, i32 %var77)
-  %var84 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.17, i32 0, i32 0))
-  %var85 = load i32, i32* @signal_VerticalTabs_setting_tab
-  %var86 = icmp eq i32 %var85, 2
-  %var87 = zext i1 %var86 to i32
-  %var88 = icmp ne i32 %var87, 0
-  %var89 = select i1 %var88, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.18, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.19, i32 0, i32 0)
-  call void @js_set_attribute(i32 %var84, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* %var89)
-  call void @js_bind_event(i32 %var84, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.25, i32 0, i32 0))
-  %var90 = call i32 @js_create_text(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.26, i32 0, i32 0))
-  call void @js_append_child(i32 %var84, i32 %var90)
-  call void @js_append_child(i32 %var69, i32 %var84)
-  call void @js_append_child(i32 %var69, i32 %var84)
-  call void @js_append_child(i32 %var68, i32 %var69)
-  call void @js_append_child(i32 %var68, i32 %var69)
-  %var91 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var91, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.27, i32 0, i32 0))
-  %var92 = call i32 @js_create_marker()
-  call void @js_append_child(i32 %var91, i32 %var92)
-  store i32 %var92, i32* @cond_0_marker
+  %var86 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var86, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.17, i32 0, i32 0))
+  %var87 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var87, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.18, i32 0, i32 0))
+  %var88 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i32 0, i32 0))
+  %var89 = load i32, i32* @signal_VerticalTabs_setting_tab
+  %var90 = icmp eq i32 %var89, 0
+  %var91 = zext i1 %var90 to i32
+  %var92 = icmp ne i32 %var91, 0
+  %var93 = select i1 %var92, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.0, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var88, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var93)
+  call void @js_bind_event(i32 %var88, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.21, i32 0, i32 0))
+  store i32 %var88, i32* @reactive_attr_0_elem
+  %var94 = call i32 @js_create_text(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.22, i32 0, i32 0))
+  call void @js_append_child(i32 %var88, i32 %var94)
+  call void @js_append_child(i32 %var87, i32 %var88)
+  call void @js_append_child(i32 %var87, i32 %var88)
+  %var95 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i32 0, i32 0))
+  %var96 = load i32, i32* @signal_VerticalTabs_setting_tab
+  %var97 = icmp eq i32 %var96, 1
+  %var98 = zext i1 %var97 to i32
+  %var99 = icmp ne i32 %var98, 0
+  %var100 = select i1 %var99, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.0, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var95, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var100)
+  call void @js_bind_event(i32 %var95, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.23, i32 0, i32 0))
+  store i32 %var95, i32* @reactive_attr_1_elem
+  %var101 = call i32 @js_create_text(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.24, i32 0, i32 0))
+  call void @js_append_child(i32 %var95, i32 %var101)
+  call void @js_append_child(i32 %var87, i32 %var95)
+  call void @js_append_child(i32 %var87, i32 %var95)
+  %var102 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i32 0, i32 0))
+  %var103 = load i32, i32* @signal_VerticalTabs_setting_tab
+  %var104 = icmp eq i32 %var103, 2
+  %var105 = zext i1 %var104 to i32
+  %var106 = icmp ne i32 %var105, 0
+  %var107 = select i1 %var106, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.0, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var102, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var107)
+  call void @js_bind_event(i32 %var102, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.25, i32 0, i32 0))
+  store i32 %var102, i32* @reactive_attr_2_elem
+  %var108 = call i32 @js_create_text(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.26, i32 0, i32 0))
+  call void @js_append_child(i32 %var102, i32 %var108)
+  call void @js_append_child(i32 %var87, i32 %var102)
+  call void @js_append_child(i32 %var87, i32 %var102)
+  call void @js_append_child(i32 %var86, i32 %var87)
+  call void @js_append_child(i32 %var86, i32 %var87)
+  %var109 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var109, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.27, i32 0, i32 0))
+  %var110 = call i32 @js_create_marker()
+  call void @js_append_child(i32 %var109, i32 %var110)
+  store i32 %var110, i32* @cond_0_marker
   call void @_init_conditional_0()
-  call void @js_append_child(i32 %var68, i32 %var91)
-  call void @js_append_child(i32 %var68, i32 %var91)
-  ret i32 %var68
+  call void @js_append_child(i32 %var86, i32 %var109)
+  call void @js_append_child(i32 %var86, i32 %var109)
+  ret i32 %var86
 }
 
 ; Signal storage for Tabs (reactive state in WASM memory)
@@ -454,6 +483,11 @@ entry:
 @cond_1_case_2_root = global i32 0
 @cond_1_case_3_root = global i32 0
 
+; Reactive attribute element storage
+@reactive_attr_3_elem = global i32 0
+@reactive_attr_4_elem = global i32 0
+@reactive_attr_5_elem = global i32 0
+
 ; Signal helper functions
 define i32 @get_tab_index() {
 entry:
@@ -494,6 +528,27 @@ define void @set_tab(i32 %value) {
 entry:
   store i32 %value, i32* @signal_Tabs_tab_index
   call void @reevaluate_conditional_1()
+  %var111 = load i32, i32* @reactive_attr_3_elem
+  %var112 = load i32, i32* @signal_Tabs_tab_index
+  %var113 = icmp eq i32 %var112, 0
+  %var114 = zext i1 %var113 to i32
+  %var115 = icmp ne i32 %var114, 0
+  %var116 = select i1 %var115, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.28, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.29, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var111, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var116)
+  %var117 = load i32, i32* @reactive_attr_4_elem
+  %var118 = load i32, i32* @signal_Tabs_tab_index
+  %var119 = icmp eq i32 %var118, 1
+  %var120 = zext i1 %var119 to i32
+  %var121 = icmp ne i32 %var120, 0
+  %var122 = select i1 %var121, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.28, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.29, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var117, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var122)
+  %var123 = load i32, i32* @reactive_attr_5_elem
+  %var124 = load i32, i32* @signal_Tabs_tab_index
+  %var125 = icmp eq i32 %var124, 2
+  %var126 = zext i1 %var125 to i32
+  %var127 = icmp ne i32 %var126, 0
+  %var128 = select i1 %var127, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.28, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.29, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var123, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var128)
   ret void
 }
 
@@ -501,35 +556,35 @@ entry:
 define void @_init_conditional_1() {
 entry:
   ; Render all cases upfront
-  %var93 = call i32 @_render_cond_1_case_0()
-  store i32 %var93, i32* @cond_1_case_0_root
-  %var94 = call i32 @_render_cond_1_case_1()
-  store i32 %var94, i32* @cond_1_case_1_root
-  %var95 = call i32 @_render_cond_1_case_2()
-  store i32 %var95, i32* @cond_1_case_2_root
-  %var96 = call i32 @_render_cond_1_case_3()
-  store i32 %var96, i32* @cond_1_case_3_root
-  %var97 = load i32, i32* @signal_Tabs_tab_index
-  %var98 = load i32, i32* @cond_1_marker
-  switch i32 %var97, label %insert_case_3 [
+  %var129 = call i32 @_render_cond_1_case_0()
+  store i32 %var129, i32* @cond_1_case_0_root
+  %var130 = call i32 @_render_cond_1_case_1()
+  store i32 %var130, i32* @cond_1_case_1_root
+  %var131 = call i32 @_render_cond_1_case_2()
+  store i32 %var131, i32* @cond_1_case_2_root
+  %var132 = call i32 @_render_cond_1_case_3()
+  store i32 %var132, i32* @cond_1_case_3_root
+  %var133 = load i32, i32* @signal_Tabs_tab_index
+  %var134 = load i32, i32* @cond_1_marker
+  switch i32 %var133, label %insert_case_3 [
     i32 0, label %insert_case_0
     i32 1, label %insert_case_1
     i32 2, label %insert_case_2
   ]
 insert_case_0:
-  call void @js_replace_at_marker(i32 %var98, i32 0, i32 %var93)
+  call void @js_replace_at_marker(i32 %var134, i32 0, i32 %var129)
   store i32 0, i32* @cond_1_current
   ret void
 insert_case_1:
-  call void @js_replace_at_marker(i32 %var98, i32 0, i32 %var94)
+  call void @js_replace_at_marker(i32 %var134, i32 0, i32 %var130)
   store i32 1, i32* @cond_1_current
   ret void
 insert_case_2:
-  call void @js_replace_at_marker(i32 %var98, i32 0, i32 %var95)
+  call void @js_replace_at_marker(i32 %var134, i32 0, i32 %var131)
   store i32 2, i32* @cond_1_current
   ret void
 insert_case_3:
-  call void @js_replace_at_marker(i32 %var98, i32 0, i32 %var96)
+  call void @js_replace_at_marker(i32 %var134, i32 0, i32 %var132)
   store i32 3, i32* @cond_1_current
   ret void
 }
@@ -537,127 +592,127 @@ insert_case_3:
 ; Re-evaluate conditional 1 (match)
 define void @reevaluate_conditional_1() {
 entry:
-  %var99 = load i32, i32* @signal_Tabs_tab_index
-  %var100 = load i32, i32* @cond_1_current
-  switch i32 %var99, label %case_3 [
+  %var135 = load i32, i32* @signal_Tabs_tab_index
+  %var136 = load i32, i32* @cond_1_current
+  switch i32 %var135, label %case_3 [
     i32 0, label %case_0
     i32 1, label %case_1
     i32 2, label %case_2
   ]
 case_0:
-  %var101 = icmp ne i32 %var100, 0
-  br i1 %var101, label %swap_0, label %done
+  %var137 = icmp ne i32 %var136, 0
+  br i1 %var137, label %swap_0, label %done
 swap_0:
-  %var102 = load i32, i32* @cond_1_marker
-  %var103 = load i32, i32* @cond_1_case_0_root
-  switch i32 %var100, label %load_old_0_3 [
+  %var138 = load i32, i32* @cond_1_marker
+  %var139 = load i32, i32* @cond_1_case_0_root
+  switch i32 %var136, label %load_old_0_3 [
     i32 0, label %load_old_0_0
     i32 1, label %load_old_0_1
     i32 2, label %load_old_0_2
     i32 3, label %load_old_0_3
   ]
 load_old_0_0:
-  %var105 = load i32, i32* @cond_1_case_0_root
+  %var141 = load i32, i32* @cond_1_case_0_root
   br label %merge_0
 load_old_0_1:
-  %var106 = load i32, i32* @cond_1_case_1_root
+  %var142 = load i32, i32* @cond_1_case_1_root
   br label %merge_0
 load_old_0_2:
-  %var107 = load i32, i32* @cond_1_case_2_root
+  %var143 = load i32, i32* @cond_1_case_2_root
   br label %merge_0
 load_old_0_3:
-  %var108 = load i32, i32* @cond_1_case_3_root
+  %var144 = load i32, i32* @cond_1_case_3_root
   br label %merge_0
 merge_0:
-  %var104 = phi i32 [ %var105, %load_old_0_0 ], [ %var106, %load_old_0_1 ], [ %var107, %load_old_0_2 ], [ %var108, %load_old_0_3 ]
-  call void @js_replace_at_marker(i32 %var102, i32 %var104, i32 %var103)
+  %var140 = phi i32 [ %var141, %load_old_0_0 ], [ %var142, %load_old_0_1 ], [ %var143, %load_old_0_2 ], [ %var144, %load_old_0_3 ]
+  call void @js_replace_at_marker(i32 %var138, i32 %var140, i32 %var139)
   store i32 0, i32* @cond_1_current
   br label %done
 case_1:
-  %var109 = icmp ne i32 %var100, 1
-  br i1 %var109, label %swap_1, label %done
+  %var145 = icmp ne i32 %var136, 1
+  br i1 %var145, label %swap_1, label %done
 swap_1:
-  %var110 = load i32, i32* @cond_1_marker
-  %var111 = load i32, i32* @cond_1_case_1_root
-  switch i32 %var100, label %load_old_1_3 [
+  %var146 = load i32, i32* @cond_1_marker
+  %var147 = load i32, i32* @cond_1_case_1_root
+  switch i32 %var136, label %load_old_1_3 [
     i32 0, label %load_old_1_0
     i32 1, label %load_old_1_1
     i32 2, label %load_old_1_2
     i32 3, label %load_old_1_3
   ]
 load_old_1_0:
-  %var113 = load i32, i32* @cond_1_case_0_root
+  %var149 = load i32, i32* @cond_1_case_0_root
   br label %merge_1
 load_old_1_1:
-  %var114 = load i32, i32* @cond_1_case_1_root
+  %var150 = load i32, i32* @cond_1_case_1_root
   br label %merge_1
 load_old_1_2:
-  %var115 = load i32, i32* @cond_1_case_2_root
+  %var151 = load i32, i32* @cond_1_case_2_root
   br label %merge_1
 load_old_1_3:
-  %var116 = load i32, i32* @cond_1_case_3_root
+  %var152 = load i32, i32* @cond_1_case_3_root
   br label %merge_1
 merge_1:
-  %var112 = phi i32 [ %var113, %load_old_1_0 ], [ %var114, %load_old_1_1 ], [ %var115, %load_old_1_2 ], [ %var116, %load_old_1_3 ]
-  call void @js_replace_at_marker(i32 %var110, i32 %var112, i32 %var111)
+  %var148 = phi i32 [ %var149, %load_old_1_0 ], [ %var150, %load_old_1_1 ], [ %var151, %load_old_1_2 ], [ %var152, %load_old_1_3 ]
+  call void @js_replace_at_marker(i32 %var146, i32 %var148, i32 %var147)
   store i32 1, i32* @cond_1_current
   br label %done
 case_2:
-  %var117 = icmp ne i32 %var100, 2
-  br i1 %var117, label %swap_2, label %done
+  %var153 = icmp ne i32 %var136, 2
+  br i1 %var153, label %swap_2, label %done
 swap_2:
-  %var118 = load i32, i32* @cond_1_marker
-  %var119 = load i32, i32* @cond_1_case_2_root
-  switch i32 %var100, label %load_old_2_3 [
+  %var154 = load i32, i32* @cond_1_marker
+  %var155 = load i32, i32* @cond_1_case_2_root
+  switch i32 %var136, label %load_old_2_3 [
     i32 0, label %load_old_2_0
     i32 1, label %load_old_2_1
     i32 2, label %load_old_2_2
     i32 3, label %load_old_2_3
   ]
 load_old_2_0:
-  %var121 = load i32, i32* @cond_1_case_0_root
+  %var157 = load i32, i32* @cond_1_case_0_root
   br label %merge_2
 load_old_2_1:
-  %var122 = load i32, i32* @cond_1_case_1_root
+  %var158 = load i32, i32* @cond_1_case_1_root
   br label %merge_2
 load_old_2_2:
-  %var123 = load i32, i32* @cond_1_case_2_root
+  %var159 = load i32, i32* @cond_1_case_2_root
   br label %merge_2
 load_old_2_3:
-  %var124 = load i32, i32* @cond_1_case_3_root
+  %var160 = load i32, i32* @cond_1_case_3_root
   br label %merge_2
 merge_2:
-  %var120 = phi i32 [ %var121, %load_old_2_0 ], [ %var122, %load_old_2_1 ], [ %var123, %load_old_2_2 ], [ %var124, %load_old_2_3 ]
-  call void @js_replace_at_marker(i32 %var118, i32 %var120, i32 %var119)
+  %var156 = phi i32 [ %var157, %load_old_2_0 ], [ %var158, %load_old_2_1 ], [ %var159, %load_old_2_2 ], [ %var160, %load_old_2_3 ]
+  call void @js_replace_at_marker(i32 %var154, i32 %var156, i32 %var155)
   store i32 2, i32* @cond_1_current
   br label %done
 case_3:
-  %var125 = icmp ne i32 %var100, 3
-  br i1 %var125, label %swap_3, label %done
+  %var161 = icmp ne i32 %var136, 3
+  br i1 %var161, label %swap_3, label %done
 swap_3:
-  %var126 = load i32, i32* @cond_1_marker
-  %var127 = load i32, i32* @cond_1_case_3_root
-  switch i32 %var100, label %load_old_3_3 [
+  %var162 = load i32, i32* @cond_1_marker
+  %var163 = load i32, i32* @cond_1_case_3_root
+  switch i32 %var136, label %load_old_3_3 [
     i32 0, label %load_old_3_0
     i32 1, label %load_old_3_1
     i32 2, label %load_old_3_2
     i32 3, label %load_old_3_3
   ]
 load_old_3_0:
-  %var129 = load i32, i32* @cond_1_case_0_root
+  %var165 = load i32, i32* @cond_1_case_0_root
   br label %merge_3
 load_old_3_1:
-  %var130 = load i32, i32* @cond_1_case_1_root
+  %var166 = load i32, i32* @cond_1_case_1_root
   br label %merge_3
 load_old_3_2:
-  %var131 = load i32, i32* @cond_1_case_2_root
+  %var167 = load i32, i32* @cond_1_case_2_root
   br label %merge_3
 load_old_3_3:
-  %var132 = load i32, i32* @cond_1_case_3_root
+  %var168 = load i32, i32* @cond_1_case_3_root
   br label %merge_3
 merge_3:
-  %var128 = phi i32 [ %var129, %load_old_3_0 ], [ %var130, %load_old_3_1 ], [ %var131, %load_old_3_2 ], [ %var132, %load_old_3_3 ]
-  call void @js_replace_at_marker(i32 %var126, i32 %var128, i32 %var127)
+  %var164 = phi i32 [ %var165, %load_old_3_0 ], [ %var166, %load_old_3_1 ], [ %var167, %load_old_3_2 ], [ %var168, %load_old_3_3 ]
+  call void @js_replace_at_marker(i32 %var162, i32 %var164, i32 %var163)
   store i32 3, i32* @cond_1_current
   br label %done
 done:
@@ -666,204 +721,207 @@ done:
 
 define i32 @_render_cond_1_case_0() {
 entry:
-  %var133 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  %var134 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var134, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.28, i32 0, i32 0))
-  %var135 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.29, i32 0, i32 0))
-  %var136 = call i32 @js_create_text(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.30, i32 0, i32 0))
-  call void @js_append_child(i32 %var135, i32 %var136)
-  call void @js_append_child(i32 %var134, i32 %var135)
-  call void @js_append_child(i32 %var134, i32 %var135)
-  %var137 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var138 = call i32 @js_create_text(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.31, i32 0, i32 0))
-  call void @js_append_child(i32 %var137, i32 %var138)
-  call void @js_append_child(i32 %var134, i32 %var137)
-  call void @js_append_child(i32 %var134, i32 %var137)
-  %var139 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var140 = call i32 @js_create_text(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.32, i32 0, i32 0))
-  call void @js_append_child(i32 %var139, i32 %var140)
-  call void @js_append_child(i32 %var134, i32 %var139)
-  call void @js_append_child(i32 %var134, i32 %var139)
-  %var141 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.33, i32 0, i32 0))
-  %var142 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.34, i32 0, i32 0))
-  %var143 = call i32 @js_create_text(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.35, i32 0, i32 0))
-  call void @js_append_child(i32 %var142, i32 %var143)
-  call void @js_append_child(i32 %var141, i32 %var142)
-  call void @js_append_child(i32 %var141, i32 %var142)
-  %var144 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.34, i32 0, i32 0))
-  %var145 = call i32 @js_create_text(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.36, i32 0, i32 0))
-  call void @js_append_child(i32 %var144, i32 %var145)
-  call void @js_append_child(i32 %var141, i32 %var144)
-  call void @js_append_child(i32 %var141, i32 %var144)
-  %var146 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.34, i32 0, i32 0))
-  %var147 = call i32 @js_create_text(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.37, i32 0, i32 0))
-  call void @js_append_child(i32 %var146, i32 %var147)
-  call void @js_append_child(i32 %var141, i32 %var146)
-  call void @js_append_child(i32 %var141, i32 %var146)
-  call void @js_append_child(i32 %var134, i32 %var141)
-  call void @js_append_child(i32 %var134, i32 %var141)
-  call void @js_append_child(i32 %var133, i32 %var134)
-  ret i32 %var133
+  %var169 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  %var170 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var170, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.30, i32 0, i32 0))
+  %var171 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.31, i32 0, i32 0))
+  %var172 = call i32 @js_create_text(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.32, i32 0, i32 0))
+  call void @js_append_child(i32 %var171, i32 %var172)
+  call void @js_append_child(i32 %var170, i32 %var171)
+  call void @js_append_child(i32 %var170, i32 %var171)
+  %var173 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var174 = call i32 @js_create_text(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.33, i32 0, i32 0))
+  call void @js_append_child(i32 %var173, i32 %var174)
+  call void @js_append_child(i32 %var170, i32 %var173)
+  call void @js_append_child(i32 %var170, i32 %var173)
+  %var175 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var176 = call i32 @js_create_text(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.34, i32 0, i32 0))
+  call void @js_append_child(i32 %var175, i32 %var176)
+  call void @js_append_child(i32 %var170, i32 %var175)
+  call void @js_append_child(i32 %var170, i32 %var175)
+  %var177 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.35, i32 0, i32 0))
+  %var178 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.36, i32 0, i32 0))
+  %var179 = call i32 @js_create_text(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.37, i32 0, i32 0))
+  call void @js_append_child(i32 %var178, i32 %var179)
+  call void @js_append_child(i32 %var177, i32 %var178)
+  call void @js_append_child(i32 %var177, i32 %var178)
+  %var180 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.36, i32 0, i32 0))
+  %var181 = call i32 @js_create_text(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.38, i32 0, i32 0))
+  call void @js_append_child(i32 %var180, i32 %var181)
+  call void @js_append_child(i32 %var177, i32 %var180)
+  call void @js_append_child(i32 %var177, i32 %var180)
+  %var182 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.36, i32 0, i32 0))
+  %var183 = call i32 @js_create_text(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.39, i32 0, i32 0))
+  call void @js_append_child(i32 %var182, i32 %var183)
+  call void @js_append_child(i32 %var177, i32 %var182)
+  call void @js_append_child(i32 %var177, i32 %var182)
+  call void @js_append_child(i32 %var170, i32 %var177)
+  call void @js_append_child(i32 %var170, i32 %var177)
+  call void @js_append_child(i32 %var169, i32 %var170)
+  ret i32 %var169
 }
 
 define i32 @_render_cond_1_case_1() {
 entry:
-  %var148 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  %var149 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var149, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.38, i32 0, i32 0))
-  %var150 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.29, i32 0, i32 0))
-  %var151 = call i32 @js_create_text(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.39, i32 0, i32 0))
-  call void @js_append_child(i32 %var150, i32 %var151)
-  call void @js_append_child(i32 %var149, i32 %var150)
-  call void @js_append_child(i32 %var149, i32 %var150)
-  %var152 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var153 = call i32 @js_create_text(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.40, i32 0, i32 0))
-  call void @js_append_child(i32 %var152, i32 %var153)
-  call void @js_append_child(i32 %var149, i32 %var152)
-  call void @js_append_child(i32 %var149, i32 %var152)
-  %var154 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var154, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.41, i32 0, i32 0))
-  %var155 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var156 = call i32 @js_create_text(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.42, i32 0, i32 0))
-  call void @js_append_child(i32 %var155, i32 %var156)
-  call void @js_append_child(i32 %var154, i32 %var155)
-  call void @js_append_child(i32 %var154, i32 %var155)
-  %var157 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var158 = call i32 @js_create_text(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.43, i32 0, i32 0))
-  call void @js_append_child(i32 %var157, i32 %var158)
-  call void @js_append_child(i32 %var154, i32 %var157)
-  call void @js_append_child(i32 %var154, i32 %var157)
-  %var159 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var160 = call i32 @js_create_text(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.44, i32 0, i32 0))
-  call void @js_append_child(i32 %var159, i32 %var160)
-  call void @js_append_child(i32 %var154, i32 %var159)
-  call void @js_append_child(i32 %var154, i32 %var159)
-  call void @js_append_child(i32 %var149, i32 %var154)
-  call void @js_append_child(i32 %var149, i32 %var154)
-  call void @js_append_child(i32 %var148, i32 %var149)
-  ret i32 %var148
+  %var184 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  %var185 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var185, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.40, i32 0, i32 0))
+  %var186 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.31, i32 0, i32 0))
+  %var187 = call i32 @js_create_text(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.41, i32 0, i32 0))
+  call void @js_append_child(i32 %var186, i32 %var187)
+  call void @js_append_child(i32 %var185, i32 %var186)
+  call void @js_append_child(i32 %var185, i32 %var186)
+  %var188 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var189 = call i32 @js_create_text(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.42, i32 0, i32 0))
+  call void @js_append_child(i32 %var188, i32 %var189)
+  call void @js_append_child(i32 %var185, i32 %var188)
+  call void @js_append_child(i32 %var185, i32 %var188)
+  %var190 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var190, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.43, i32 0, i32 0))
+  %var191 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var192 = call i32 @js_create_text(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.44, i32 0, i32 0))
+  call void @js_append_child(i32 %var191, i32 %var192)
+  call void @js_append_child(i32 %var190, i32 %var191)
+  call void @js_append_child(i32 %var190, i32 %var191)
+  %var193 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var194 = call i32 @js_create_text(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.45, i32 0, i32 0))
+  call void @js_append_child(i32 %var193, i32 %var194)
+  call void @js_append_child(i32 %var190, i32 %var193)
+  call void @js_append_child(i32 %var190, i32 %var193)
+  %var195 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var196 = call i32 @js_create_text(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.46, i32 0, i32 0))
+  call void @js_append_child(i32 %var195, i32 %var196)
+  call void @js_append_child(i32 %var190, i32 %var195)
+  call void @js_append_child(i32 %var190, i32 %var195)
+  call void @js_append_child(i32 %var185, i32 %var190)
+  call void @js_append_child(i32 %var185, i32 %var190)
+  call void @js_append_child(i32 %var184, i32 %var185)
+  ret i32 %var184
 }
 
 define i32 @_render_cond_1_case_2() {
 entry:
-  %var161 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  %var162 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var162, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.45, i32 0, i32 0))
-  %var163 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.29, i32 0, i32 0))
-  %var164 = call i32 @js_create_text(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.46, i32 0, i32 0))
-  call void @js_append_child(i32 %var163, i32 %var164)
-  call void @js_append_child(i32 %var162, i32 %var163)
-  call void @js_append_child(i32 %var162, i32 %var163)
-  %var165 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var166 = call i32 @js_create_text(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.47, i32 0, i32 0))
-  call void @js_append_child(i32 %var165, i32 %var166)
-  call void @js_append_child(i32 %var162, i32 %var165)
-  call void @js_append_child(i32 %var162, i32 %var165)
-  %var167 = call i32 @render_VerticalTabs()
-  call void @js_append_child(i32 %var162, i32 %var167)
-  call void @js_append_child(i32 %var162, i32 %var167)
-  call void @js_append_child(i32 %var161, i32 %var162)
-  ret i32 %var161
+  %var197 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  %var198 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var198, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.47, i32 0, i32 0))
+  %var199 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.31, i32 0, i32 0))
+  %var200 = call i32 @js_create_text(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.48, i32 0, i32 0))
+  call void @js_append_child(i32 %var199, i32 %var200)
+  call void @js_append_child(i32 %var198, i32 %var199)
+  call void @js_append_child(i32 %var198, i32 %var199)
+  %var201 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var202 = call i32 @js_create_text(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.49, i32 0, i32 0))
+  call void @js_append_child(i32 %var201, i32 %var202)
+  call void @js_append_child(i32 %var198, i32 %var201)
+  call void @js_append_child(i32 %var198, i32 %var201)
+  %var203 = call i32 @render_VerticalTabs()
+  call void @js_append_child(i32 %var198, i32 %var203)
+  call void @js_append_child(i32 %var198, i32 %var203)
+  call void @js_append_child(i32 %var197, i32 %var198)
+  ret i32 %var197
 }
 
 define i32 @_render_cond_1_case_3() {
 entry:
-  %var168 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  %var169 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var169, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.48, i32 0, i32 0))
-  %var170 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  %var171 = call i32 @js_create_text(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.49, i32 0, i32 0))
-  call void @js_append_child(i32 %var170, i32 %var171)
-  call void @js_append_child(i32 %var169, i32 %var170)
-  call void @js_append_child(i32 %var169, i32 %var170)
-  call void @js_append_child(i32 %var168, i32 %var169)
-  ret i32 %var168
+  %var204 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  %var205 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var205, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.50, i32 0, i32 0))
+  %var206 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  %var207 = call i32 @js_create_text(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.51, i32 0, i32 0))
+  call void @js_append_child(i32 %var206, i32 %var207)
+  call void @js_append_child(i32 %var205, i32 %var206)
+  call void @js_append_child(i32 %var205, i32 %var206)
+  call void @js_append_child(i32 %var204, i32 %var205)
+  ret i32 %var204
 }
 
 ; Component render function
 define i32 @render_Tabs(i32 %orientation) {
 entry:
-  %var172 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var172, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.50, i32 0, i32 0))
-  %var173 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.51, i32 0, i32 0))
-  %var174 = call i32 @js_create_text(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.52, i32 0, i32 0))
-  call void @js_append_child(i32 %var173, i32 %var174)
-  call void @js_append_child(i32 %var172, i32 %var173)
-  call void @js_append_child(i32 %var172, i32 %var173)
-  %var175 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var175, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.53, i32 0, i32 0))
-  %var176 = call i32 @js_create_text(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.54, i32 0, i32 0))
-  call void @js_append_child(i32 %var175, i32 %var176)
-  call void @js_append_child(i32 %var172, i32 %var175)
-  call void @js_append_child(i32 %var172, i32 %var175)
-  %var177 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.33, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var177, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.55, i32 0, i32 0))
-  %var178 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.34, i32 0, i32 0))
-  %var179 = load i32, i32* @signal_Tabs_tab_index
-  %var180 = icmp eq i32 %var179, 0
-  %var181 = zext i1 %var180 to i32
-  %var182 = icmp ne i32 %var181, 0
-  %var183 = select i1 %var182, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.56, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.57, i32 0, i32 0)
-  call void @js_set_attribute(i32 %var178, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* %var183)
-  %var184 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.17, i32 0, i32 0))
-  call void @js_bind_event(i32 %var184, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.58, i32 0, i32 0))
-  %var185 = call i32 @js_create_text(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.59, i32 0, i32 0))
-  call void @js_append_child(i32 %var184, i32 %var185)
-  call void @js_append_child(i32 %var178, i32 %var184)
-  call void @js_append_child(i32 %var178, i32 %var184)
-  call void @js_append_child(i32 %var177, i32 %var178)
-  call void @js_append_child(i32 %var177, i32 %var178)
-  %var186 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.34, i32 0, i32 0))
-  %var187 = load i32, i32* @signal_Tabs_tab_index
-  %var188 = icmp eq i32 %var187, 1
-  %var189 = zext i1 %var188 to i32
-  %var190 = icmp ne i32 %var189, 0
-  %var191 = select i1 %var190, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.56, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.57, i32 0, i32 0)
-  call void @js_set_attribute(i32 %var186, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* %var191)
-  %var192 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.17, i32 0, i32 0))
-  call void @js_bind_event(i32 %var192, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.60, i32 0, i32 0))
-  %var193 = call i32 @js_create_text(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.61, i32 0, i32 0))
-  call void @js_append_child(i32 %var192, i32 %var193)
-  call void @js_append_child(i32 %var186, i32 %var192)
-  call void @js_append_child(i32 %var186, i32 %var192)
-  call void @js_append_child(i32 %var177, i32 %var186)
-  call void @js_append_child(i32 %var177, i32 %var186)
-  %var194 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.34, i32 0, i32 0))
-  %var195 = load i32, i32* @signal_Tabs_tab_index
-  %var196 = icmp eq i32 %var195, 2
-  %var197 = zext i1 %var196 to i32
-  %var198 = icmp ne i32 %var197, 0
-  %var199 = select i1 %var198, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.56, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.57, i32 0, i32 0)
-  call void @js_set_attribute(i32 %var194, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* %var199)
-  %var200 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.17, i32 0, i32 0))
-  call void @js_bind_event(i32 %var200, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.62, i32 0, i32 0))
-  %var201 = call i32 @js_create_text(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.46, i32 0, i32 0))
-  call void @js_append_child(i32 %var200, i32 %var201)
-  call void @js_append_child(i32 %var194, i32 %var200)
-  call void @js_append_child(i32 %var194, i32 %var200)
-  call void @js_append_child(i32 %var177, i32 %var194)
-  call void @js_append_child(i32 %var177, i32 %var194)
-  call void @js_append_child(i32 %var172, i32 %var177)
-  call void @js_append_child(i32 %var172, i32 %var177)
-  %var202 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var202, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.63, i32 0, i32 0))
-  %var203 = call i32 @js_create_marker()
-  call void @js_append_child(i32 %var202, i32 %var203)
-  store i32 %var203, i32* @cond_1_marker
+  %var208 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var208, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.52, i32 0, i32 0))
+  %var209 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.53, i32 0, i32 0))
+  %var210 = call i32 @js_create_text(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.54, i32 0, i32 0))
+  call void @js_append_child(i32 %var209, i32 %var210)
+  call void @js_append_child(i32 %var208, i32 %var209)
+  call void @js_append_child(i32 %var208, i32 %var209)
+  %var211 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var211, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.55, i32 0, i32 0))
+  %var212 = call i32 @js_create_text(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.56, i32 0, i32 0))
+  call void @js_append_child(i32 %var211, i32 %var212)
+  call void @js_append_child(i32 %var208, i32 %var211)
+  call void @js_append_child(i32 %var208, i32 %var211)
+  %var213 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.35, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var213, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.57, i32 0, i32 0))
+  %var214 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.36, i32 0, i32 0))
+  %var215 = load i32, i32* @signal_Tabs_tab_index
+  %var216 = icmp eq i32 %var215, 0
+  %var217 = zext i1 %var216 to i32
+  %var218 = icmp ne i32 %var217, 0
+  %var219 = select i1 %var218, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.28, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.29, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var214, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var219)
+  store i32 %var214, i32* @reactive_attr_3_elem
+  %var220 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i32 0, i32 0))
+  call void @js_bind_event(i32 %var220, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.58, i32 0, i32 0))
+  %var221 = call i32 @js_create_text(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.59, i32 0, i32 0))
+  call void @js_append_child(i32 %var220, i32 %var221)
+  call void @js_append_child(i32 %var214, i32 %var220)
+  call void @js_append_child(i32 %var214, i32 %var220)
+  call void @js_append_child(i32 %var213, i32 %var214)
+  call void @js_append_child(i32 %var213, i32 %var214)
+  %var222 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.36, i32 0, i32 0))
+  %var223 = load i32, i32* @signal_Tabs_tab_index
+  %var224 = icmp eq i32 %var223, 1
+  %var225 = zext i1 %var224 to i32
+  %var226 = icmp ne i32 %var225, 0
+  %var227 = select i1 %var226, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.28, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.29, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var222, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var227)
+  store i32 %var222, i32* @reactive_attr_4_elem
+  %var228 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i32 0, i32 0))
+  call void @js_bind_event(i32 %var228, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.60, i32 0, i32 0))
+  %var229 = call i32 @js_create_text(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.61, i32 0, i32 0))
+  call void @js_append_child(i32 %var228, i32 %var229)
+  call void @js_append_child(i32 %var222, i32 %var228)
+  call void @js_append_child(i32 %var222, i32 %var228)
+  call void @js_append_child(i32 %var213, i32 %var222)
+  call void @js_append_child(i32 %var213, i32 %var222)
+  %var230 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.36, i32 0, i32 0))
+  %var231 = load i32, i32* @signal_Tabs_tab_index
+  %var232 = icmp eq i32 %var231, 2
+  %var233 = zext i1 %var232 to i32
+  %var234 = icmp ne i32 %var233, 0
+  %var235 = select i1 %var234, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.28, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.29, i32 0, i32 0)
+  call void @js_set_attribute(i32 %var230, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* %var235)
+  store i32 %var230, i32* @reactive_attr_5_elem
+  %var236 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i32 0, i32 0))
+  call void @js_bind_event(i32 %var236, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i32 0, i32 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.62, i32 0, i32 0))
+  %var237 = call i32 @js_create_text(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.48, i32 0, i32 0))
+  call void @js_append_child(i32 %var236, i32 %var237)
+  call void @js_append_child(i32 %var230, i32 %var236)
+  call void @js_append_child(i32 %var230, i32 %var236)
+  call void @js_append_child(i32 %var213, i32 %var230)
+  call void @js_append_child(i32 %var213, i32 %var230)
+  call void @js_append_child(i32 %var208, i32 %var213)
+  call void @js_append_child(i32 %var208, i32 %var213)
+  %var238 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var238, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.63, i32 0, i32 0))
+  %var239 = call i32 @js_create_marker()
+  call void @js_append_child(i32 %var238, i32 %var239)
+  store i32 %var239, i32* @cond_1_marker
   call void @_init_conditional_1()
-  call void @js_append_child(i32 %var172, i32 %var202)
-  call void @js_append_child(i32 %var172, i32 %var202)
-  %var204 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
-  call void @js_set_attribute(i32 %var204, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.64, i32 0, i32 0))
-  %var205 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
+  call void @js_append_child(i32 %var208, i32 %var238)
+  call void @js_append_child(i32 %var208, i32 %var238)
+  %var240 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i32 0, i32 0))
+  call void @js_set_attribute(i32 %var240, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.64, i32 0, i32 0))
+  %var241 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i32 0, i32 0))
   ; TODO: Format f-string with signal tab_index
-  %var206 = call i32 @js_create_text(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.65, i32 0, i32 0))
-  call void @js_append_child(i32 %var205, i32 %var206)
-  call void @js_append_child(i32 %var204, i32 %var205)
-  call void @js_append_child(i32 %var204, i32 %var205)
-  call void @js_append_child(i32 %var172, i32 %var204)
-  call void @js_append_child(i32 %var172, i32 %var204)
-  ret i32 %var172
+  %var242 = call i32 @js_create_text(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.65, i32 0, i32 0))
+  call void @js_append_child(i32 %var241, i32 %var242)
+  call void @js_append_child(i32 %var240, i32 %var241)
+  call void @js_append_child(i32 %var240, i32 %var241)
+  call void @js_append_child(i32 %var208, i32 %var240)
+  call void @js_append_child(i32 %var208, i32 %var240)
+  ret i32 %var208
 }
 
 ; Main entry point
diff --git a/examples/tabs/Tabs.wasm b/examples/tabs/Tabs.wasm
index c87b2e6..d64a735 100755
Binary files a/examples/tabs/Tabs.wasm and b/examples/tabs/Tabs.wasm differ
diff --git a/ritz/__pycache__/llvm_codegen_signals.cpython-313.pyc b/ritz/__pycache__/llvm_codegen_signals.cpython-313.pyc
index 5908ada..f030180 100644
Binary files a/ritz/__pycache__/llvm_codegen_signals.cpython-313.pyc and b/ritz/__pycache__/llvm_codegen_signals.cpython-313.pyc differ
diff --git a/ritz/llvm_codegen_signals.py b/ritz/llvm_codegen_signals.py
index e277607..53ae599 100644
--- a/ritz/llvm_codegen_signals.py
+++ b/ritz/llvm_codegen_signals.py
@@ -40,6 +40,13 @@ class SignalLLVMIRGenerator:
         # Track signal-to-conditional dependencies for reactivity
         self.signal_conditional_deps: dict[str, list[int]] = {}  # signal_name -> [conditional_ids]
 
+        # Track reactive attributes (attributes that depend on signals)
+        self.reactive_attributes: list[dict[str, Any]] = []  # List of reactive attribute metadata
+        self.reactive_attr_map: dict[int, dict[str, Any]] = {}  # attr_id -> attr_info
+        self.next_reactive_attr_id = 0
+        self.signal_attribute_deps: dict[str, list[int]] = {}  # signal_name -> [attr_ids]
+        self.stmt_reactive_attrs: dict[int, list[int]] = {}  # stmt id() -> [attr_ids]
+
         # Track current component for signal scoping
         self.current_component = None
 
@@ -74,14 +81,20 @@ class SignalLLVMIRGenerator:
             self.conditionals = []
             self.conditional_map = {}
             self.signal_conditional_deps = {}
+            self.reactive_attributes = []
+            self.reactive_attr_map = {}
+            self.signal_attribute_deps = {}
+            self.stmt_reactive_attrs = {}
 
-            # Collect signals, handlers, and conditionals for this component
+            # Collect signals, handlers, conditionals, and reactive attributes for this component
             self._collect_signals_and_handlers(component)
             self._collect_conditionals(component)
+            self._collect_reactive_attributes(component)
 
             # Generate component-specific code
             self._emit_signal_globals(component)
             self._emit_conditional_globals()
+            self._emit_reactive_attribute_globals()
             self._emit_helper_functions()
             self._emit_event_handlers()
             self._emit_conditional_functions()
@@ -176,12 +189,76 @@ class SignalLLVMIRGenerator:
             signals.extend(self._extract_signals_from_expr(expr["left"]))
             for comparator in expr.get("comparators", []):
                 signals.extend(self._extract_signals_from_expr(comparator))
+        elif expr["type"] == "ifexp":
+            # Ternary expression - check test, body, and orelse
+            signals.extend(self._extract_signals_from_expr(expr["test"]))
+            signals.extend(self._extract_signals_from_expr(expr["body"]))
+            signals.extend(self._extract_signals_from_expr(expr["orelse"]))
         elif expr["type"] == "constant":
             # Constants don't reference signals
             pass
 
         return signals
 
+    def _collect_reactive_attributes(self, component: dict[str, Any]) -> None:
+        """Scan IR tree for attributes that depend on signals."""
+
+        def scan_statements(stmts: list[dict[str, Any]]):
+            for stmt in stmts:
+                if stmt["type"] == "with":
+                    # Check if any props have signal dependencies
+                    element = stmt["element"]
+                    props = element.get("props", {})
+
+                    for prop_name, prop_value in props.items():
+                        # Skip event handlers
+                        if prop_name == "onclick":
+                            continue
+
+                        # Check if this prop depends on signals
+                        signals = self._extract_signals_from_expr(prop_value)
+
+                        if signals:
+                            # This attribute is reactive!
+                            attr_id = self.next_reactive_attr_id
+                            self.next_reactive_attr_id += 1
+
+                            attr_name = prop_name.rstrip("_")  # Remove trailing underscore
+                            stmt_id = id(stmt)
+
+                            attr_info = {
+                                "id": attr_id,
+                                "stmt_id": stmt_id,  # Use Python id() to identify statement
+                                "attr_name": attr_name,
+                                "expression": prop_value,
+                                "signals": signals,
+                            }
+
+                            self.reactive_attributes.append(attr_info)
+                            self.reactive_attr_map[attr_id] = attr_info
+
+                            # Build stmt -> attr map for lookup during render
+                            if stmt_id not in self.stmt_reactive_attrs:
+                                self.stmt_reactive_attrs[stmt_id] = []
+                            self.stmt_reactive_attrs[stmt_id].append(attr_id)
+
+                            # Register this attribute as dependent on these signals
+                            for signal_name in signals:
+                                if signal_name not in self.signal_attribute_deps:
+                                    self.signal_attribute_deps[signal_name] = []
+                                self.signal_attribute_deps[signal_name].append(attr_id)
+
+                    # Recursively scan nested statements
+                    scan_statements(stmt.get("body", []))
+                elif stmt["type"] == "if":
+                    scan_statements(stmt["body"])
+                    scan_statements(stmt.get("orelse", []))
+                elif stmt["type"] == "match":
+                    for case in stmt["cases"]:
+                        scan_statements(case.get("body", []))
+
+        scan_statements(component["body"])
+
     def _emit_header(self) -> None:
         """Emit module header."""
         self.lines.append("; Generated by Ritz Framework with Signals")
@@ -227,6 +304,18 @@ class SignalLLVMIRGenerator:
                     self.lines.append(f"@cond_{cond_id}_case_{case_idx}_root = global i32 0")
         self.lines.append("")
 
+    def _emit_reactive_attribute_globals(self) -> None:
+        """Emit global storage for reactive attribute element references."""
+        if not self.reactive_attributes:
+            return
+
+        self.lines.append("; Reactive attribute element storage")
+        for attr_info in self.reactive_attributes:
+            attr_id = attr_info["id"]
+            # Store element reference so we can update its attribute later
+            self.lines.append(f"@reactive_attr_{attr_id}_elem = global i32 0")
+        self.lines.append("")
+
     def _emit_function_declarations(self) -> None:
         """Emit JS bridge function declarations."""
         self.lines.append("; JavaScript bridge function declarations")
@@ -341,6 +430,11 @@ class SignalLLVMIRGenerator:
                 if signal_name in self.signal_conditional_deps:
                     for cond_id in self.signal_conditional_deps[signal_name]:
                         self.lines.append(f"  call void @reevaluate_conditional_{cond_id}()")
+
+                # Trigger reactive updates for attributes that depend on this signal
+                if signal_name in self.signal_attribute_deps:
+                    for attr_id in self.signal_attribute_deps[signal_name]:
+                        self._emit_update_reactive_attribute(attr_id)
         elif stmt["type"] == "augassign":
             # Handle signal updates (count += 1)
             signal_name = stmt["target"]
@@ -363,6 +457,36 @@ class SignalLLVMIRGenerator:
                     for cond_id in self.signal_conditional_deps[signal_name]:
                         self.lines.append(f"  call void @reevaluate_conditional_{cond_id}()")
 
+                # Trigger reactive updates for attributes that depend on this signal
+                if signal_name in self.signal_attribute_deps:
+                    for attr_id in self.signal_attribute_deps[signal_name]:
+                        self._emit_update_reactive_attribute(attr_id)
+
+    def _emit_update_reactive_attribute(self, attr_id: int) -> None:
+        """Emit inline code to update a reactive attribute."""
+        # Look up attribute by ID
+        attr_info = self.reactive_attr_map.get(attr_id)
+        if not attr_info:
+            return  # Attribute not found
+        attr_name = attr_info["attr_name"]
+        expression = attr_info["expression"]
+
+        # Load the element reference
+        elem_var = self._new_var()
+        self.lines.append(f"  %{elem_var} = load i32, i32* @reactive_attr_{attr_id}_elem")
+
+        # Re-evaluate the attribute expression
+        if expression["type"] == "ifexp":
+            value_ptr = self._emit_string_ifexp(expression)
+            # Set the attribute
+            name_str = self._get_or_create_string(attr_name)
+            self.lines.append(
+                f"  call void @js_set_attribute(i32 %{elem_var}, "
+                f"i8* getelementptr inbounds ({self._string_type(attr_name)}, {self._string_type(attr_name)}* {name_str}, i32 0, i32 0), "
+                f"i8* %{value_ptr})"
+            )
+        # Could add support for other expression types here
+
     def _emit_conditional_functions(self) -> None:
         """Emit init and reevaluate functions for each conditional."""
         for cond_info in self.conditionals:
@@ -1021,6 +1145,12 @@ class SignalLLVMIRGenerator:
                 f"i8* getelementptr inbounds ({self._string_type(onclick_handler)}, {self._string_type(onclick_handler)}* {handler_str}, i32 0, i32 0))"
             )
 
+        # Store element reference if this element has reactive attributes
+        stmt_id = id(stmt)
+        if stmt_id in self.stmt_reactive_attrs:
+            for attr_id in self.stmt_reactive_attrs[stmt_id]:
+                self.lines.append(f"  store i32 %{elem_var}, i32* @reactive_attr_{attr_id}_elem")
+
         # Push this element as the parent for children
         self.parent_element_stack.append(elem_var)
 
diff --git a/tests/__pycache__/test_reactive_attributes.cpython-313-pytest-8.4.2.pyc b/tests/__pycache__/test_reactive_attributes.cpython-313-pytest-8.4.2.pyc
new file mode 100644
index 0000000..eb6da99
Binary files /dev/null and b/tests/__pycache__/test_reactive_attributes.cpython-313-pytest-8.4.2.pyc differ
diff --git a/tests/test_reactive_attributes.py b/tests/test_reactive_attributes.py
new file mode 100644
index 0000000..15f92e1
--- /dev/null
+++ b/tests/test_reactive_attributes.py
@@ -0,0 +1,99 @@
+"""Tests for reactive attributes that update when signals change."""
+
+import pytest
+from ritz.parser import parse_component
+from ritz.llvm_codegen_signals import generate_llvm_ir
+
+
+def test_parse_reactive_attribute():
+    """Test parsing attribute with signal dependency."""
+    source = """
+from ritz.syntax import *
+
+@component
+def Toggle():
+    active = signal(1)
+
+    with Button(class_='active' if active else 'inactive'):
+        yield "Click"
+"""
+    ir = parse_component(source)
+
+    # Should have ternary expression in class attribute
+    with_stmt = [s for s in ir["body"] if s["type"] == "with"][0]
+    class_prop = with_stmt["element"]["props"]["class_"]
+    assert class_prop["type"] == "ifexp"
+    assert class_prop["test"]["id"] == "active"
+
+
+def test_reactive_attribute_infrastructure():
+    """Test that reactive attribute tracking is generated."""
+    source = """
+from ritz.syntax import *
+
+@component
+def Toggle():
+    active = signal(1)
+
+    def toggle():
+        active = 0 if active else 1
+
+    with Button(class_='btn-active' if active else 'btn-inactive', onclick=toggle):
+        yield "Toggle"
+"""
+    ir = parse_component(source)
+    llvm_ir = generate_llvm_ir(ir)
+
+    # Should have storage for the button element
+    assert "@reactive_attr_" in llvm_ir or "@elem_" in llvm_ir
+
+    # Should update attribute when signal changes in toggle()
+    # The toggle function should re-evaluate the class expression and update
+    assert "js_set_attribute" in llvm_ir
+
+
+def test_multiple_reactive_attributes():
+    """Test multiple elements with reactive attributes."""
+    source = """
+from ritz.syntax import *
+
+@component
+def Tabs():
+    tab = signal(0)
+
+    def set_tab(value):
+        tab = value
+
+    with Ul():
+        with Li(class_='active' if tab == 0 else ''):
+            yield "Tab 0"
+
+        with Li(class_='active' if tab == 1 else ''):
+            yield "Tab 1"
+"""
+    ir = parse_component(source)
+    llvm_ir = generate_llvm_ir(ir)
+
+    # Both Li elements should have reactive attributes
+    # When tab signal changes, both should update
+    assert llvm_ir.count("js_set_attribute") >= 2
+
+
+def test_reactive_attribute_with_comparison():
+    """Test reactive attribute with comparison in ternary."""
+    source = """
+from ritz.syntax import *
+
+@component
+def Counter():
+    count = signal(5)
+
+    with Div(class_='high' if count > 10 else 'low'):
+        yield "Value"
+"""
+    ir = parse_component(source)
+    llvm_ir = generate_llvm_ir(ir)
+
+    # Should emit comparison when evaluating class
+    assert "icmp" in llvm_ir
+    assert "select" in llvm_ir