620078-1.html (447B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <script> 5 6 function boom() 7 { 8 var frame = document.getElementById("f"); 9 var frameRoot = frame.contentDocument.documentElement; 10 document.body.removeChild(frame); 11 var i = document.createElementNS("http://www.w3.org/1999/xhtml", "input"); 12 i.setAttribute("autofocus", "true"); 13 frameRoot.appendChild(i); 14 } 15 16 </script> 17 </head> 18 19 <body onload="boom();"><iframe id="f" src="data:text/html,"></iframe></body> 20 </html>