708405-1.html
<!DOCTYPE html>
<html>
<head>
<script>
function boom()
{
var a = document.getElementsByTagName("div");
a.__proto__ = Proxy.create({has: function() { throw new Error; }});
for (var p in a) {
}
}
</script>
</head>
<body onload="boom();"></body>
</html>
