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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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