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Issue 2477713003: Custom Elements: Check Definition in createElement, Create Customized Built-in Elements Sync (Closed)
Patch Set: V1 definition check in document::createElement Created 4 years, 1 month ago
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1 <!doctype html>
2 <script src="../../../resources/testharness.js"></script>
3 <script src="../../../resources/testharnessreport.js"></script>
4 <script>
5 test(() => {
6 var XButton = document.registerElement('x-button', {extends: 'button'});
7 var elem = document.createElement('button', 'x-button');
8 assert_equals(elem.constructor, XButton);
9
10 elem = document.createElement('button', {is: 'x-button'});
11 assert_equals(elem.constructor, XButton);
12
13 elem = document.createElement('button', {toString: () => 'x-button'});
14 assert_equals(elem.constructor, XButton);
15 }, "Test for Issue 637353: 2nd arg of document.createElement should be an object ");
16 </script>
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