chrome/test/data/download_page2.html - chromium/src - Git at Google

 <script>
 function openNew() {
   var w = window.open();
 }
 </script>
 <body>
 	<button onclick="openNew()">click me</button>
 </body>
	<script>
	function openNew() {
	var w = window.open();
	}
	</script>
	<body>
	<button onclick="openNew()">click me</button>
	</body>