Dojo:dijit:popupmenu

<script type="text/javascript" src="/dojo/dojo/dojo.js" 
  djConfig="parseOnLoad:true, isDebug:false"></script>
 
<script language="JavaScript" type="text/javascript">
  dojo.require("dijit.Menu");
  dojo.require("dojo.parser");  // scan page for widgets and instantiate them
  function doNothing() {
    alert('not actually doing anything, just a test!');
  }
</script>

<link href="/dojo/dijit/themes/nihilo/nihilo.css" rel="stylesheet" type="text/css" />
<link href="/dojo/dojo/resources/dojo.css" rel="stylesheet" type="text/css" />
 
<body class="nihilo">
 
 
<div dojoType="dijit.Menu" id="popup1campus" contextMenuForWindow="false" style="display: none;" targetNodeIds="btn1">
  <div dojoType="dijit.MenuItem" onClick="alert('Hello world');">Enabled Item</div>
  <div dojoType="dijit.MenuItem" disabled="true">Disabled Item</div>
  <div dojoType="dijit.MenuSeparator"></div>
  <div dojoType="dijit.MenuItem" iconClass="dijitEditorIcon dijitEditorIconCut"
    onClick="doNothing();">Cut</div>
  <div dojoType="dijit.MenuItem" iconClass="dijitEditorIcon dijitEditorIconCopy"
    onClick="doNothing();">Copy</div>
  <div dojoType="dijit.MenuItem" iconClass="dijitEditorIcon dijitEditorIconPaste"
    onClick="doNothing();">Paste</div>  
</div>
 
<div id="btn1">Right click Me To Show Menu</div>
 
</body>