<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <svg xmlns="http://www.w3.org/2000/svg" onload="m();"> <title>Testcase for style changes</title> <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=395155 --> <style id="s" type="text/css"> * { fill: red; } </style> <script> function m() { var s = document.getElementById("s"); s.appendChild(document.createTextNode("")); s.firstChild.data = "tspan { fill: green }"; } </script> <text> <tspan x="10" y="50"> This should be green </tspan> </text> </svg>