<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait"> <head> <script> function handleLoad() { setTimeout(f1, 0); } function f1() { document.getElementById("inner").style.top = "100px"; setTimeout(f2, 0); } function f2() { document.getElementById("top").style.display = "block"; document.documentElement.removeAttribute("class"); } </script> </head> <body onload="handleLoad()"> <div id="top" style="display: none;"></div> <div> <div style="float: left; position: relative;"> <div id="inner" style="display: block; top: 110px; width: 100px; height: 100px; background: pink; position:absolute;"></div> </div> </div> </body> </html>