<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=479863 --> <head> <title>Test for Bug 479863</title> <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=479863">Mozilla Bug 479863</a> <p id="display"></p> <div id="content" style="display: none"> </div> <video id='v1'></video><audio id='a1'></audio> <video id='v2' preload="auto"></video><audio id='a2' preload="auto"></audio> <pre id="test"> <script type="application/javascript"> var v1 = document.getElementById('v1'); var a1 = document.getElementById('a1'); var v2 = document.getElementById('v2'); var a2 = document.getElementById('a2'); is(v1.getAttribute("preload"), null, "video preload via getAttribute should be null by default"); is(a1.getAttribute("preload"), null, "video preload via getAttribute should be null by default"); is(v1.preload, "", "v1.preload should be empty by default"); is(a1.preload, "", "a1.preload should be empty by default"); is(v2.preload, "auto", "v2.preload should be auto"); is(a2.preload, "auto", "a2.preload should be auto"); v1.preload = "auto"; a1.preload = "auto"; is(v1.preload, "auto", "video.preload should be auto"); is(a1.preload, "auto", "audio.preload should be auto"); is(v1.getAttribute("preload"), "auto", "video preload attribute should be auto"); is(a1.getAttribute("preload"), "auto", "video preload attribute should be auto"); </script> </pre> </body> </html>