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Issue 292743003: Revert 174142 "Move popular DOM attributes to prototype chains" (Closed) Base URL: svn://svn.chromium.org/blink/
Patch Set: Created 6 years, 7 months ago
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1 <!DOCTYPE html>
2 <html>
3 <head>
4 <script src="../../resources/js-test.js"></script>
5 </head>
6 <body>
7 <script>
8 var div = document.createElement("div");
9 shouldBeFalse('div.hasOwnProperty("id")');
10 shouldBeTrue('div.__proto__.__proto__.__proto__.hasOwnProperty("id")');
11
12 var desc = Object.getOwnPropertyDescriptor(Element.prototype, 'id');
13 shouldBeTrue('desc.get instanceof Function');
14 shouldBeTrue('desc.set instanceof Function');
15 shouldBeTrue('desc.enumerable');
16 shouldBeTrue('desc.configurable');
17
18 shouldThrow('xhr = new XMLHttpRequest(); xhr.__proto__ = HTMLDivElement.prototyp e; xhr.id');
19 shouldThrow('obj = Object.create(div); obj.id');
20
21 desc = Object.getOwnPropertyDescriptor(Element.prototype, 'id');
22 shouldThrow('desc.get.call({})');
23
24 var a = document.createElement('a');
25 shouldBeUndefined('desc.set.call(a, "abc")');
26 shouldBeEqualToString('desc.get.call(a)', 'abc');
27 </script>
28 </body>
29 </html>
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