<!DOCTYPE HTML> <html> <!-- Copied from https://bugzilla.mozilla.org/show_bug.cgi?id=744830 --> <head> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=166235">Mozilla Bug 166235</a> <div id="testnodes"><span>hi</span> there <!-- mon ami --></div> <pre id="test"> <script type="application/javascript"> SimpleTest.waitForExplicitFinish(); SpecialPowers.pushPrefEnv({"set": [["mathml.disabled", true]]}, doTest); function doTest() { let t = document.getElementById('testnodes'); t.innerHTML = null; t.appendChild(document.createElementNS("http://www.w3.org/1998/Math/MathML", "math:math")); t.firstChild.textContent = "<foo>"; is(t.innerHTML, "<math:math><foo></math:math>"); t.innerHTML = null; t.appendChild(document.createElementNS("http://www.w3.org/1998/Math/MathML", "math")); is(t.firstChild.namespaceURI, "http://www.w3.org/1998/Math/MathML"); t.firstChild.appendChild(document.createElementNS("http://www.w3.org/1998/Math/MathML", "script")); is(t.firstChild.firstChild.namespaceURI, "http://www.w3.org/1998/Math/MathML"); t.firstChild.firstChild.textContent = "1&2<3>4\xA0"; is(t.innerHTML, '<math><script>1&2<3>4 \u003C/script></math>'); t.innerHTML = null; t.appendChild(document.createElementNS("http://www.w3.org/1998/Math/MathML", "math")); is(t.firstChild.namespaceURI, "http://www.w3.org/1998/Math/MathML"); t.firstChild.appendChild(document.createElementNS("http://www.w3.org/1998/Math/MathML", "style")); is(t.firstChild.firstChild.namespaceURI, "http://www.w3.org/1998/Math/MathML"); t.firstChild.firstChild.textContent = "1&2<3>4\xA0"; is(t.innerHTML, '<math><style>1&2<3>4 \u003C/style></math>'); SimpleTest.finish(); } </script> </pre> </body> </html>