<html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>innerHTML in XHTML</title> <link rel="author" title="Simon Pieters" href="mailto:simonp@opera.com"/> <link rel="author" title="Ms2ger" href="mailto:ms2ger@gmail.com"/> <link rel="help" href="http://html5.org/specs/dom-parsing.html#dom-innerhtml"/> <link rel="help" href="http://www.whatwg.org/html5/#xml-fragment-serialization-algorithm"/> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> </head> <body> <div id="log"></div> <iframe src="data:text/xml,<html xmlns='http://www.w3.org/1999/xhtml'><foo--/></html>"></iframe> <script><![CDATA[ var t = async_test(); window.onload = t.step_func(function() { var foo = window[0].document.documentElement.firstChild; assert_throws('SyntaxError', function() { foo.innerHTML = 'x<\/foo--><\!--y'; // This is ridiculous. }); t.done(); }); ]]></script> </body> </html>