turn some buttons into <button> elements where possible

components.html

@@ -266,7 +266,10 @@ base_url: "../"
     <p>Wrap the dropdown's trigger and the dropdown menu within <code>.dropdown</code>, or another element that declares <code>position: relative;</code>. Then add the menu's HTML.</p>
     <div class="bs-example">
       <div class="dropdown clearfix">
-        <a id="dropdownMenu1" href="#" role="button" class="sr-only dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
+        <button class="btn dropdown-toggle sr-only" type="button" id="dropdownMenu1" data-toggle="dropdown">
+          Dropdown
+          <span class="caret"></span>
+        </button>
         <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
           <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
           <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
@@ -278,7 +281,10 @@ base_url: "../"
     </div><!-- /example -->
 {% highlight html %}
 <div class="dropdown">
-  <!-- Link or button to toggle dropdown -->
+  <button class="btn dropdown-toggle sr-only" type="button" id="dropdownMenu1" data-toggle="dropdown">
+    Dropdown
+    <span class="caret"></span>
+  </button>
   <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
     <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
     <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
@@ -301,7 +307,10 @@ base_url: "../"
     <p>Add a header to label sections of actions in any dropdown menu.</p>
     <div class="bs-example">
       <div class="dropdown clearfix">
-        <a id="dropdownMenu2" href="#" role="button" class="sr-only dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
+        <button class="btn dropdown-toggle sr-only" type="button" id="dropdownMenu2" data-toggle="dropdown">
+          Dropdown
+          <span class="caret"></span>
+        </button>
         <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2">
           <li role="presentation" class="dropdown-header">Dropdown header</li>
           <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
@@ -327,7 +336,10 @@ base_url: "../"
     <p>Add <code>.disabled</code> to a <code>&lt;li&gt;</code> in the dropdown to disable the link.</p>
     <div class="bs-example">
       <div class="dropdown clearfix">
-        <a id="dropdownMenu3" href="#" role="button" class="sr-only dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
+        <button class="btn dropdown-toggle sr-only" type="button" id="dropdownMenu3" data-toggle="dropdown">
+          Dropdown
+          <span class="caret"></span>
+        </button>
         <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu3">
           <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Regular link</a></li>
           <li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="#">Disabled link</a></li>
@@ -546,9 +558,9 @@ base_url: "../"
 
     <div class="bs-example">
       <div class="btn-group btn-group-justified">
-        <a href="#" class="btn btn-default">Left</a>
-        <a href="#" class="btn btn-default">Middle</a>
-        <a href="#" class="btn btn-default">Right</a>
+        <button type="button" class="btn btn-default">Left</button>
+        <button type="button" class="btn btn-default">Middle</button>
+        <button type="button" class="btn btn-default">Right</button>
       </div>
     </div>
 {% highlight html %}

javascript.html

@@ -189,30 +189,34 @@ $('#myModal').on('show.bs.modal', function (e) {
     </div><!-- /.modal -->
 
     <div class="bs-example" style="padding-bottom: 24px;">
-      <a data-toggle="modal" href="#myModal" class="btn btn-primary btn-lg">Launch demo modal</a>
+      <button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
+        Launch demo modal
+      </button>
     </div><!-- /example -->
 {% highlight html %}
-  <!-- Button trigger modal -->
-  <a data-toggle="modal" href="#myModal" class="btn btn-primary btn-lg">Launch demo modal</a>
-
-  <!-- Modal -->
-  <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
-    <div class="modal-dialog">
-      <div class="modal-content">
-        <div class="modal-header">
-          <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
-          <h4 class="modal-title">Modal title</h4>
-        </div>
-        <div class="modal-body">
-          ...
-        </div>
-        <div class="modal-footer">
-          <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
-          <button type="button" class="btn btn-primary">Save changes</button>
-        </div>
-      </div><!-- /.modal-content -->
-    </div><!-- /.modal-dialog -->
-  </div><!-- /.modal -->
+<!-- Button trigger modal -->
+<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
+  Launch demo modal
+</button>
+
+<!-- Modal -->
+<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header">
+        <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
+        <h4 class="modal-title">Modal title</h4>
+      </div>
+      <div class="modal-body">
+        ...
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+        <button type="button" class="btn btn-primary">Save changes</button>
+      </div>
+    </div><!-- /.modal-content -->
+  </div><!-- /.modal-dialog -->
+</div><!-- /.modal -->
 {% endhighlight %}