diff --git a/docs/_includes/js/collapse.html b/docs/_includes/js/collapse.html
index 72b1e67850..084bb4badc 100644
--- a/docs/_includes/js/collapse.html
+++ b/docs/_includes/js/collapse.html
@@ -19,7 +19,7 @@
 
   <div class="bs-example">
     <p>
-      <a class="btn btn-primary" data-toggle="collapse" href="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
+      <a class="btn btn-primary" role="button" data-toggle="collapse" href="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
         Link with href
       </a>
       <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
@@ -33,7 +33,7 @@
     </div>
   </div>
 {% highlight html %}
-<a class="btn btn-primary" data-toggle="collapse" href="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
+<a class="btn btn-primary" role="button" data-toggle="collapse" href="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
   Link with href
 </a>
 <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
@@ -54,7 +54,7 @@
       <div class="panel panel-default">
         <div class="panel-heading" role="tab" id="headingOne">
           <h4 class="panel-title">
-            <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
+            <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
               Collapsible Group Item #1
             </a>
           </h4>
@@ -68,7 +68,7 @@
       <div class="panel panel-default">
         <div class="panel-heading" role="tab" id="headingTwo">
           <h4 class="panel-title">
-            <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
+            <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
               Collapsible Group Item #2
             </a>
           </h4>
@@ -82,7 +82,7 @@
       <div class="panel panel-default">
         <div class="panel-heading" role="tab" id="headingThree">
           <h4 class="panel-title">
-            <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
+            <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
               Collapsible Group Item #3
             </a>
           </h4>
@@ -100,7 +100,7 @@
   <div class="panel panel-default">
     <div class="panel-heading" role="tab" id="headingOne">
       <h4 class="panel-title">
-        <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
+        <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
           Collapsible Group Item #1
         </a>
       </h4>
@@ -114,7 +114,7 @@
   <div class="panel panel-default">
     <div class="panel-heading" role="tab" id="headingTwo">
       <h4 class="panel-title">
-        <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
+        <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
           Collapsible Group Item #2
         </a>
       </h4>
@@ -128,7 +128,7 @@
   <div class="panel panel-default">
     <div class="panel-heading" role="tab" id="headingThree">
       <h4 class="panel-title">
-        <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
+        <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
           Collapsible Group Item #3
         </a>
       </h4>
@@ -148,7 +148,7 @@
     <div class="panel panel-default">
       <div class="panel-heading" role="tab" id="collapseListGroupHeading1">
         <h4 class="panel-title">
-          <a class="collapsed" data-toggle="collapse" href="#collapseListGroup1" aria-expanded="false" aria-controls="collapseListGroup1">
+          <a class="collapsed" role="button" data-toggle="collapse" href="#collapseListGroup1" aria-expanded="false" aria-controls="collapseListGroup1">
             Collapsible list group
           </a>
         </h4>
diff --git a/js/tests/unit/collapse.js b/js/tests/unit/collapse.js
index 5073bf1093..0efa65400d 100644
--- a/js/tests/unit/collapse.js
+++ b/js/tests/unit/collapse.js
@@ -82,7 +82,7 @@ $(function () {
     assert.expect(1)
     var done = assert.async()
 
-    var $target = $('<a data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture')
+    var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture')
 
     $('<div id="test1"/>')
       .appendTo('#qunit-fixture')
@@ -98,7 +98,7 @@ $(function () {
     assert.expect(1)
     var done = assert.async()
 
-    var $target = $('<a data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture')
+    var $target = $('<a role="button" data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture')
 
     $('<div id="test1" class="in"/>')
       .appendTo('#qunit-fixture')
@@ -114,8 +114,8 @@ $(function () {
     assert.expect(2)
     var done = assert.async()
 
-    var $target = $('<a data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture')
-    var $alt = $('<a data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture')
+    var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture')
+    var $alt = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture')
 
     $('<div id="test1"/>')
       .appendTo('#qunit-fixture')
@@ -132,8 +132,8 @@ $(function () {
     assert.expect(2)
     var done = assert.async()
 
-    var $target = $('<a data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture')
-    var $alt = $('<a data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture')
+    var $target = $('<a role="button" data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture')
+    var $alt = $('<a role="button" data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture')
 
     $('<div id="test1" class="in"/>')
       .appendTo('#qunit-fixture')
@@ -215,15 +215,15 @@ $(function () {
         + '</div>'
     var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.panel')
 
-    var $target1 = $('<a data-toggle="collapse" href="#body1" data-parent="#accordion"/>').appendTo($groups.eq(0))
+    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1" data-parent="#accordion"/>').appendTo($groups.eq(0))
 
     $('<div id="body1" class="in"/>').appendTo($groups.eq(0))
 
-    var $target2 = $('<a class="collapsed" data-toggle="collapse" href="#body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
+    var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
 
     $('<div id="body2"/>').appendTo($groups.eq(1))
 
-    var $target3 = $('<a class="collapsed" data-toggle="collapse" href="#body3" data-parent="#accordion"/>').appendTo($groups.eq(2))
+    var $target3 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body3" data-parent="#accordion"/>').appendTo($groups.eq(2))
 
     $('<div id="body3"/>')
       .appendTo($groups.eq(2))
@@ -249,15 +249,15 @@ $(function () {
         + '</div>'
     var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.panel')
 
-    var $target1 = $('<a data-toggle="collapse" href="#body1" data-parent=".accordion"/>').appendTo($groups.eq(0))
+    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1" data-parent=".accordion"/>').appendTo($groups.eq(0))
 
     $('<div id="body1" class="in"/>').appendTo($groups.eq(0))
 
-    var $target2 = $('<a class="collapsed" data-toggle="collapse" href="#body2" data-parent=".accordion"/>').appendTo($groups.eq(1))
+    var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2" data-parent=".accordion"/>').appendTo($groups.eq(1))
 
     $('<div id="body2"/>').appendTo($groups.eq(1))
 
-    var $target3 = $('<a class="collapsed" data-toggle="collapse" href="#body3" data-parent=".accordion"/>').appendTo($groups.eq(2))
+    var $target3 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body3" data-parent=".accordion"/>').appendTo($groups.eq(2))
 
     $('<div id="body3"/>')
       .appendTo($groups.eq(2))
@@ -276,7 +276,7 @@ $(function () {
     assert.expect(1)
     var done = assert.async()
 
-    var $target = $('<a data-toggle="collapse" class="collapsed" href="#test1" aria-expanded="false"/>').appendTo('#qunit-fixture')
+    var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1" aria-expanded="false"/>').appendTo('#qunit-fixture')
 
     $('<div id="test1"/>')
       .appendTo('#qunit-fixture')
@@ -292,7 +292,7 @@ $(function () {
     assert.expect(1)
     var done = assert.async()
 
-    var $target = $('<a data-toggle="collapse" href="#test1" aria-expanded="true"/>').appendTo('#qunit-fixture')
+    var $target = $('<a role="button" data-toggle="collapse" href="#test1" aria-expanded="true"/>').appendTo('#qunit-fixture')
 
     $('<div id="test1" class="in"/>')
       .appendTo('#qunit-fixture')
@@ -308,8 +308,8 @@ $(function () {
     assert.expect(2)
     var done = assert.async()
 
-    var $target = $('<a data-toggle="collapse" class="collapsed" href="#test1" aria-expanded="false"/>').appendTo('#qunit-fixture')
-    var $alt = $('<a data-toggle="collapse" class="collapsed" href="#test1" aria-expanded="false"/>').appendTo('#qunit-fixture')
+    var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1" aria-expanded="false"/>').appendTo('#qunit-fixture')
+    var $alt = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1" aria-expanded="false"/>').appendTo('#qunit-fixture')
 
     $('<div id="test1"/>')
       .appendTo('#qunit-fixture')
@@ -326,8 +326,8 @@ $(function () {
     assert.expect(2)
     var done = assert.async()
 
-    var $target = $('<a data-toggle="collapse" href="#test1" aria-expanded="true"/>').appendTo('#qunit-fixture')
-    var $alt = $('<a data-toggle="collapse" href="#test1" aria-expanded="true"/>').appendTo('#qunit-fixture')
+    var $target = $('<a role="button" data-toggle="collapse" href="#test1" aria-expanded="true"/>').appendTo('#qunit-fixture')
+    var $alt = $('<a role="button" data-toggle="collapse" href="#test1" aria-expanded="true"/>').appendTo('#qunit-fixture')
 
     $('<div id="test1" class="in"/>')
       .appendTo('#qunit-fixture')
@@ -351,15 +351,15 @@ $(function () {
         + '</div>'
     var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.panel')
 
-    var $target1 = $('<a data-toggle="collapse" href="#body1" data-parent="#accordion"/>').appendTo($groups.eq(0))
+    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1" data-parent="#accordion"/>').appendTo($groups.eq(0))
 
     $('<div id="body1" aria-expanded="true" class="in"/>').appendTo($groups.eq(0))
 
-    var $target2 = $('<a class="collapsed" data-toggle="collapse" href="#body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
+    var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
 
     $('<div id="body2" aria-expanded="false"/>').appendTo($groups.eq(1))
 
-    var $target3 = $('<a class="collapsed" data-toggle="collapse" href="#body3" data-parent="#accordion"/>').appendTo($groups.eq(2))
+    var $target3 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body3" data-parent="#accordion"/>').appendTo($groups.eq(2))
 
     $('<div id="body3" aria-expanded="false"/>')
       .appendTo($groups.eq(2))
@@ -385,7 +385,7 @@ $(function () {
     var showFired = false
     var $groups   = $(accordionHTML).appendTo('#qunit-fixture').find('.panel')
 
-    var $target1 = $('<a data-toggle="collapse" href="#body1" data-parent="#accordion"/>').appendTo($groups.eq(0))
+    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1" data-parent="#accordion"/>').appendTo($groups.eq(0))
 
     $('<div id="body1" class="collapse"/>')
       .appendTo($groups.eq(0))
@@ -393,7 +393,7 @@ $(function () {
         showFired = true
       })
 
-    var $target2 = $('<a data-toggle="collapse" href="#body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
+    var $target2 = $('<a role="button" data-toggle="collapse" href="#body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
     var $body2   = $('<div id="body2" class="collapse"/>').appendTo($groups.eq(1))
 
     $target2.trigger('click')
@@ -414,7 +414,7 @@ $(function () {
     assert.expect(1)
     var done = assert.async()
 
-    var $target = $('<a data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture')
+    var $target = $('<a role="button" data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture')
 
     $('<div id="test1" class="in"/>')
       .appendTo('#qunit-fixture')
@@ -429,7 +429,7 @@ $(function () {
     assert.expect(1)
     var done = assert.async()
 
-    var $target = $('<a data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture')
+    var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture')
 
     $('<div id="test1"/>')
       .appendTo('#qunit-fixture')
diff --git a/js/tests/visual/collapse.html b/js/tests/visual/collapse.html
index b7a1515161..3b8a42e3d7 100644
--- a/js/tests/visual/collapse.html
+++ b/js/tests/visual/collapse.html
@@ -26,7 +26,7 @@
     <div class="panel panel-default">
       <div class="panel-heading">
         <h4 class="panel-title">
-          <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
+          <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
             Collapsible Group Item #1
           </a>
         </h4>
@@ -40,7 +40,7 @@
     <div class="panel panel-default">
       <div class="panel-heading">
         <h4 class="panel-title">
-          <a data-toggle="collapse" data-parent="#accordion" href="#collapseTwo">
+          <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo">
             Collapsible Group Item #2
           </a>
         </h4>
@@ -54,7 +54,7 @@
     <div class="panel panel-default">
       <div class="panel-heading">
         <h4 class="panel-title">
-          <a data-toggle="collapse" data-parent="#accordion" href="#collapseThree">
+          <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseThree">
             Collapsible Group Item #3
           </a>
         </h4>
diff --git a/js/tests/visual/modal.html b/js/tests/visual/modal.html
index aee4d7893d..fb6dca0598 100644
--- a/js/tests/visual/modal.html
+++ b/js/tests/visual/modal.html
@@ -76,7 +76,7 @@
             <div class="panel panel-default">
               <div class="panel-heading" role="tab" id="headingOne">
                 <h4 class="panel-title">
-                  <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
+                  <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
                     Collapsible Group Item #1
                   </a>
                 </h4>
@@ -90,7 +90,7 @@
             <div class="panel panel-default">
               <div class="panel-heading" role="tab" id="headingTwo">
                 <h4 class="panel-title">
-                  <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
+                  <a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
                     Collapsible Group Item #2
                   </a>
                 </h4>