dom/events/crashtests/1143972-1.html

   1 <!DOCTYPE HTML>
   2 <script>
   3 var x;
   4 function doTest() {
   5   f.contentDocument.body.onclick = function (event) {
   6     x = event.offsetX;
   7   }
   8   f.contentDocument.body.dispatchEvent(f.contentWindow.ev);
   9 }
  10 </script>
  11 <iframe id="f" style="display:none" onload="doTest()"
  12         src="data:text/html,<script>var ev = new MouseEvent('click', {clientX:0, clientY:0})</script>"></iframe>