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Issue 1529523002: Import dom/ from web-platform-tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: tweak W3CImportExpectations Created 5 years ago
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1 <!DOCTYPE html>
2 <meta charset=utf-8>
3 <title>EventTarget.dispatchEvent: return value</title>
4 <link rel="help" href="https://dom.spec.whatwg.org/#concept-event-dispatch">
5 <link rel="help" href="https://dom.spec.whatwg.org/#dom-event-preventdefault">
6 <link rel="help" href="https://dom.spec.whatwg.org/#dom-event-defaultprevented">
7 <script src="../../../../resources/testharness.js"></script>
8 <script src="../../../../resources/testharnessreport.js"></script>
9 <div id=log></div>
10 <table id="table" border="1" style="display: none">
11 <tbody id="table-body">
12 <tr id="table-row">
13 <td id="table-cell">Shady Grove</td>
14 <td>Aeolian</td>
15 </tr>
16 <tr id="parent">
17 <td id="target">Over the river, Charlie</td>
18 <td>Dorian</td>
19 </tr>
20 </tbody>
21 </table>
22 <script>
23 test(function() {
24 var event_type = "foo";
25 var target = document.getElementById("target");
26 var parent = document.getElementById("parent");
27 var default_prevented;
28
29 parent.addEventListener(event_type, function(e) {}, true);
30 target.addEventListener(event_type, function(e) {
31 evt.preventDefault();
32 default_prevented = evt.defaultPrevented;
33 }, true);
34 target.addEventListener(event_type, function(e) {}, true);
35
36 var evt = document.createEvent("Event");
37 evt.initEvent(event_type, true, true);
38
39 assert_true(parent.dispatchEvent(evt));
40 assert_false(target.dispatchEvent(evt));
41 assert_true(default_prevented);
42 }, "Return value of EventTarget.dispatchEvent.");
43 </script>
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