gecko-dev/content/base/test/test_bug604592.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=604592
-->
<head>
<title>Test for Bug 604592</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=604592">Mozilla Bug 604592</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 604592 **/
function testInStrictMode() {
"use strict";
try {
document.body.prefix = "foo";
ok(false, "Should not have reached this point");
} catch (e) {
ok(e instanceof TypeError, "Expected a TypeError");
}
}
testInStrictMode();
document.body.prefix = "foo";
ok(document.body.prefix === null,
"Expected strictly equal to null, got " + document.body.prefix);
</script>
</pre>
</body>
</html>