| OLD | NEW |
|---|
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <script src="../../resources/js-test.js"></script> | 2 <script src="../../resources/js-test.js"></script> |
| 3 <style> | 3 <style> |
| 4 .a .b::backdrop { background-color: green; } | 4 .a .b::backdrop { background-color: green; } |
| 5 </style> | 5 </style> |
| 6 <div id="t"> | 6 <div id="t"> |
| 7 <dialog class="b" id="dialog"><span></span><span></span><span></span></dialo
g> | 7 <dialog class="b" id="dialog"><span></span><span></span><span></span></dialo
g> |
| 8 </div> | 8 </div> |
| 9 <script> | 9 <script> |
| 10 description("Change class affecting ::backdrop style"); | 10 description("Change class affecting ::backdrop style"); |
| 11 | 11 |
| 12 var dialog = document.getElementById("dialog"); | 12 var dialog = document.getElementById("dialog"); |
| 13 | 13 |
| 14 dialog.showModal(); | 14 dialog.showModal(); |
| 15 | 15 |
| 16 var green = 'rgb(0, 128, 0)'; | 16 var green = 'rgb(0, 128, 0)'; |
| 17 | 17 |
| 18 shouldNotBe("getComputedStyle(dialog, '::backdrop').backgroundColor", "green"); | 18 shouldNotBe("getComputedStyle(dialog, '::backdrop').backgroundColor", "green"); |
| 19 | 19 |
| 20 document.body.offsetLeft; | 20 document.body.offsetLeft; |
| 21 document.getElementById("t").className = "a"; | 21 document.getElementById("t").className = "a"; |
| 22 | 22 |
| 23 if (window.internals) | 23 if (window.internals) |
| 24 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "3"); | 24 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "2"); |
| 25 | 25 |
| 26 shouldBe("getComputedStyle(dialog, '::backdrop').backgroundColor", "green"); | 26 shouldBe("getComputedStyle(dialog, '::backdrop').backgroundColor", "green"); |
| 27 | 27 |
| 28 dialog.close(); | 28 dialog.close(); |
| 29 </script> | 29 </script> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1349543004:
CSS: Avoid invalidating style when only descendants need updating (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master