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1 <html> | 1 <html> |
2 <link rel="import" href="../resources/chai.sky" /> | 2 <import src="../resources/chai.sky" /> |
3 <link rel="import" href="../resources/mocha.sky" /> | 3 <import src="../resources/mocha.sky" /> |
4 <script> | 4 <script> |
5 describe('MutationObserver.observe', function() { | 5 describe('MutationObserver.observe', function() { |
6 it('should observe attributes', function() { | 6 it('should observe attributes', function() { |
7 var observer = new MutationObserver(function() {}); | 7 var observer = new MutationObserver(function() {}); |
8 var element = document.createElement('div'); | 8 var element = document.createElement('div'); |
9 element.setAttribute('data-test', '1'); | 9 element.setAttribute('data-test', '1'); |
10 | 10 |
11 observer.observe(element, {attributeOldValue: true}); | 11 observer.observe(element, {attributeOldValue: true}); |
12 element.setAttribute('data-test', '1'); | 12 element.setAttribute('data-test', '1'); |
13 var records = observer.takeRecords(); | 13 var records = observer.takeRecords(); |
(...skipping 11 matching lines...) Expand all Loading... |
25 observer.observe(element, {attributeFilter: ['data-test']}); | 25 observer.observe(element, {attributeFilter: ['data-test']}); |
26 element.setAttribute('data-test', '2'); | 26 element.setAttribute('data-test', '2'); |
27 var records = observer.takeRecords(); | 27 var records = observer.takeRecords(); |
28 assert.equal(records.length, 1); | 28 assert.equal(records.length, 1); |
29 assert.isNull(records[0].oldValue); | 29 assert.isNull(records[0].oldValue); |
30 observer.disconnect(); | 30 observer.disconnect(); |
31 }); | 31 }); |
32 }); | 32 }); |
33 </script> | 33 </script> |
34 </html> | 34 </html> |
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