<!DOCTYPE html> <html> <head> <script type="text/javascript"> function boom() { var s = document.getElementById("s"); document.body.insertBefore(document.createTextNode("\n "), s); document.body.offsetHeight; s.appendChild(document.createElement("span")); } </script> </head> <body onload="boom();" style="-moz-column-count: 2; font-size: 1500px; white-space: pre-wrap;"><span id="s" style="display: inline-block"></span><div style="height: 100px;"></div></body> </html>