Use toggle button and tool bar, add icon to toggle button : ToggleButton « Dojo toolkit « JavaScript Tutorial

<html>
  <head>
    <link rel="StyleSheet" type="text/css"
      href="js/dojo/dijit/themes/tundra/tundra.css">
    <script type="text/javascript">
      var djConfig = {
        baseScriptUri : "js/dojo/",
        parseOnLoad : true
      };
    </script>
    <script type="text/javascript" src="js/dojo/dojo/dojo.js"></script>
    <script>
      dojo.require("dojo.parser");
      dojo.require("dijit.form.Button");
      dojo.require("dijit.Toolbar");
    </script>
  </head>
  <body class="tundra">
     <div id="toolbar1" dojoType="dijit.Toolbar"
          style="width:25px;">
       <div dojoType="dijit.form.ToggleButton"
            iconClass="dijitEditorIcon dijitEditorIconBold"
            showLabel="false">
       </div>
     </div>
  </body>
</html>

29.73.ToggleButton
	29.73.1.	Add toggle button to tool bar
	29.73.2.	Use toggle button and tool bar, add icon to toggle button
	29.73.3.	Toggle button on change event