<!DOCTYPE html> <html> <head> <title>CSS 2.1 Test Suite: handling of blocks inside inlines</title> <link rel="author" title="Boris Zbarsky" href="mailto:bzbarsky@mit.edu" /> <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#anonymous-block-level"/> <meta name="flags" content="dom" /> <script> function doit() { var newNode = document.createElement("div"); newNode.appendChild(document.createTextNode("One")); document.getElementById("target") .insertBefore(newNode, document.getElementById("insertion")); } </script> <style> body > span { border: 3px solid blue } </style> </head> <body onload='doit()'> <span id="target" ><div id="insertion">Two</div ></span> </body> </html>