<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" onload="go()"> <!-- In this test, we change an animation element's "by" attribute to an invalid value. We verify that animation effects are removed from the previously-targeted attribute. --> <script> function go() { // Seek animation before we start tweaking things, to make sure we've // already started sampling it. document.documentElement.setCurrentTime(2.0); var anim = document.getElementById("anim"); anim.setAttributeNS(null, "by", "invalid value that can't be added"); setTimeAndSnapshot(2.5, false); } </script> <script xlink:href="smil-util.js" type="text/javascript"/> <rect x="15" y="15" width="200" height="200" fill="blue"> <animate id="anim" attributeName="x" begin="0s" dur="2s" by="100" fill="freeze"/> </rect> </svg>