<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html><head> <title>CSS Test: blocks inside inlines – insert-into-split-inline-14</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"> <link rel="match" href="reference/block-in-inline-insert-014-nosplit-ref.htm"> <meta name="flags" content="dom"> <style type="text/css"> #i { border: 2px solid; } #i:before { display: block; content: "One"; } </style> <script type="text/javascript"> function doTest() { var i = document.getElementById("i"); i.insertBefore(document.createTextNode("Two"), i.firstChild); } </script> </head> <body onload="doTest()"> <span id="i"><span style="display: none"></span></span> </body></html>