<html class="reftest-wait"> <head> <script> function init() { var ww = document.getElementById("ww"); var inp = document.getElementById("inp"); document.addEventListener("DOMNodeInserted", u, false); document.body.appendChild(ww); function u() { document.removeEventListener("DOMNodeInserted", u, false); ww.removeChild(inp); document.documentElement.removeAttribute("class"); } } </script> </head> <body onload="init()"><div id="ww"><input type="text" value="inputtext" id="inp">moretext</div></body> </html>