content/base/test/test_getElementById.html
author Margaret Leibovic <margaret.leibovic@gmail.com>
Mon, 25 Aug 2014 15:28:10 -0700
changeset 216776 8d7b3bfaf3ab9bb3c32afb51d9714246d7c854f4
parent 170792 c6706b8500d21d23904afd52ccf2d9b68dad80f3
permissions -rw-r--r--
Bug 996753 - Telemetry probes for settings pages. r=liuche, a=sledru

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=933193
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 933193</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=933193">Mozilla Bug 933193</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
</pre>
  <script type="application/javascript">

  /** Test for Bug 933193 **/
    var kid = document.createElement("span");
    kid.id = "test";
    var svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
    svg.appendChild(kid);
    is(svg.getElementById("test"), kid,
       "Should find the right node when not in the DOM");

    var newKid = document.createElement("span");
    newKid.id = "test";
    var newKidParent = document.createElement("span");
    newKidParent.appendChild(newKid);
    svg.insertBefore(newKidParent, kid);
    is(svg.getElementById("test"), newKid,
       "Should find the first right node when not in the DOM");
    newKid.remove();
    is(svg.getElementById("test"), kid,
       "Should find the right node again when not in the DOM");

    document.body.appendChild(svg);
    is(svg.getElementById("test"), kid,
       "Should find the right node when in the DOM");

    is(document.getElementById("test").localName, "pre",
       "document.getElementById should find the first element in the " +
       "document with that id");

    var frag = document.createDocumentFragment();
    is(frag.getElementById("test"), null, "Shouldn't find what does not exist");
    frag.appendChild(kid);
    is(frag.getElementById("test"), kid,
       "Should find the right node in the document fragment");
    is(svg.getElementById("test"), null,
       "Shouldn't find the kid since it's gone now");
  </script>
</body>
</html>