| OLD | NEW |
| (Empty) |
| 1 This is a testharness.js-based test. | |
| 2 PASS HTMLTrackElement.label missing value | |
| 3 PASS HTMLTrackElement.label empty string content attribute | |
| 4 PASS HTMLTrackElement.label empty string IDL attribute | |
| 5 PASS HTMLTrackElement.label lowercase content attribute | |
| 6 PASS HTMLTrackElement.label uppercase content attribute | |
| 7 PASS HTMLTrackElement.label\u0000 in content attribute | |
| 8 PASS HTMLTrackElement.label lowercase IDL attribute | |
| 9 PASS HTMLTrackElement.label uppercase IDL attribute | |
| 10 PASS HTMLTrackElement.label whitespace in content attribute | |
| 11 PASS HTMLTrackElement.label whitespace in IDL attribute | |
| 12 PASS HTMLTrackElement.label \u0000 in IDL attribute | |
| 13 Harness: the test ran to completion. | |
| 14 | |
| OLD | NEW |