<!DOCTYPE HTML> <html> <head> <title>Media test: defaultMuted</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> <script type="text/javascript" src="manifest.js"></script> <script type="text/javascript" src="../../../dom/html/test/reflect.js"></script> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=706731">Mozilla Bug 706731</a> <p id="display"></p> <div id="content" style="display: none"></div> <video id='v1'></video><audio id='a1'></audio> <video id='v2' muted></video><audio id='a2' muted></audio> <pre id="test"> <script class="testbody" type="text/javascript"> reflectBoolean({ element: document.createElement("video"), attribute: { content: "muted", idl: "defaultMuted" }, }); reflectBoolean({ element: document.createElement("audio"), attribute: { content: "muted", idl: "defaultMuted" }, }); var v1 = document.getElementById('v1'); var a1 = document.getElementById('a1'); var v2 = document.getElementById('v2'); var a2 = document.getElementById('a2'); // Check that muted state correspond to the default value. is(v1.muted, false, "v1.muted should be false by default"); is(a1.muted, false, "a1.muted should be false by default"); is(v2.muted, true, "v2.muted should be true by default"); is(a2.muted, true, "a2.muted should be true by default"); // Changing defaultMuted value should not change current muted state. v1.defaultMuted = true; a1.defaultMuted = true; v2.defaultMuted = false; a2.defaultMuted = false; is(v1.muted, false, "v1.muted should not have changed"); is(a1.muted, false, "a1.muted should not have changed"); is(v2.muted, true, "v2.muted should not have changed"); is(a2.muted, true, "a2.muted should not have changed"); mediaTestCleanup(); </script> </pre> </body> </html>