429088-1.html (349B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <script type="text/javascript"> 5 6 function boom() 7 { 8 window.addEventListener("DOMSubtreeModified", function(){}); 9 10 var MATHML_NS = "http://www.w3.org/1998/Math/MathML"; 11 var ms = document.createElementNS(MATHML_NS, "ms"); 12 document.body.appendChild(ms); 13 } 14 15 </script> 16 </head> 17 18 <body onload="boom();"></body> 19 </html>