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43 lines
1.1 KiB
HTML
43 lines
1.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=656954
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-->
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<head>
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<title>Test for Bug 656954</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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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=656954">Mozilla Bug 656954</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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<script type="application/javascript">
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/** Test for Bug 656954 **/
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var e = document.createEvent("Event");
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is(e.defaultPrevented, false,
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"After creating event defaultPrevented should be false");
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e.initEvent("foo", true, true);
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var el = document.createElement("div");
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el.addEventListener("foo",
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function(evt) {
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evt.preventDefault();
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}, false);
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el.dispatchEvent(e);
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is(e.defaultPrevented, true, "preventDefault() should have been called!");
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e = document.createEvent("Event");
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e.initEvent("foo", true, false);
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el.dispatchEvent(e);
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is(e.defaultPrevented, false, "preventDefault() should not have any effect!");
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</script>
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</pre>
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</body>
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</html>
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