| OLD | NEW |
|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <style> |
| 3 [attr] div { |
| 4 color: red; |
| 5 } |
| 6 [attr] .baz { |
| 7 color: blue; |
| 8 } |
| 9 </style> |
| 10 |
| 11 <div id="a"></div> |
| 12 |
| 13 <script> |
| 14 onload = function() { |
| 15 document.body.offsetTop; |
| 16 |
| 17 var foo = document.createElement("div"); |
| 18 foo.id = "foo"; |
| 19 foo.innerHTML = "<div id=bar><div id=baz>This should be blue.</div></div>"; |
| 20 |
| 21 // Append foo but not attach it. |
| 22 a.appendChild(foo); |
| 23 |
| 24 // Schedule invalidation on bar which sets childNeedsStyleInvalidation on fo
o. |
| 25 bar.setAttribute("attr", "attr"); |
| 26 |
| 27 // Remove from the tree and clear all invalidation bits, but foo still has t
hem |
| 28 // since it's not in the tree. |
| 29 foo.remove(); |
| 30 document.body.offsetTop; |
| 31 |
| 32 // Add foo back and attach it. |
| 33 a.appendChild(foo); |
| 34 document.body.offsetTop; |
| 35 |
| 36 // Schedule invalidation, but it won't get above foo since the bits are |
| 37 // incorrectly set. |
| 38 baz.className = "baz"; |
| 39 }; |
| 40 </script> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 273783003:
Don't schedule invalidations when attributes changed if not needed or incorrect. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk