<!
DOCTYPE html>
<
html>
<
head>
<
script>
function K(v) { return function() { return v; } }
var errorProxy = new Proxy({}, {get: function() { throw new Error(); }});
function boom()
{
var focused = document.createElementNS(
"http://www.w3.org/1999/xhtml",
"input");
document.
body.appendChild(focused);
var otherWin = window.open(
"data:text/html,1",
"_blank",
"width=200,height=200");
try { otherWin.history.replaceState(errorProxy,
"title",
"replaceState.html"); } catch
(e) {}
focused.focus();
focused.addEventListener("foo", K(otherWin.applicationCache));
otherWin.close();
}
</script>
</head>
<body onload="boom();">
<button onclick="boom();">If you have popups blocked, click here to start the leak test</button>
</body>
</html>