32 lines
950 B
HTML
32 lines
950 B
HTML
<!DOCTYPE HTML>
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<html data-expando-prop="xyz">
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=874758
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 874758</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<script type="application/javascript">
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/** Test for Bug 874758 **/
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Object.prototype.expandoProp = 5;
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is({}.expandoProp, 5, "Should see this on random objects");
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is(document.head.dataset.expandoProp, 5, "Should see this on dataset too");
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is(document.documentElement.dataset.expandoProp, "xyz",
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"But if the dataset has it, we should get it from there");
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</script>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=874758">Mozilla Bug 874758</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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</pre>
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</body>
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</html>
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