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| author | Anthony Ramine <n.oxyde@gmail.com> | 2015-08-27 13:39:47 +0200 |
|---|---|---|
| committer | Anthony Ramine <n.oxyde@gmail.com> | 2015-08-27 13:47:25 +0200 |
| commit | faa581be86e0a47c443c100a1e851ca442fb01bd (patch) | |
| tree | 36e99423c1b458c3219515a23ad1d3325c848377 /components/script/dom/nodelist.rs | |
| parent | 532fd19d69fd11d06bca7539c722a46fab2c4419 (diff) | |
| download | servo-faa581be86e0a47c443c100a1e851ca442fb01bd.tar.gz servo-faa581be86e0a47c443c100a1e851ca442fb01bd.zip | |
Optimise most basic case of .replaceChild() when updating childNodes
Diffstat (limited to 'components/script/dom/nodelist.rs')
| -rw-r--r-- | components/script/dom/nodelist.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/components/script/dom/nodelist.rs b/components/script/dom/nodelist.rs index eb3353a4d6e..514221f850d 100644 --- a/components/script/dom/nodelist.rs +++ b/components/script/dom/nodelist.rs @@ -218,7 +218,10 @@ impl ChildrenList { }, }; list.last_visited.set(Some(JS::from_ref(visited))); - } else { + } else if added.len() != 1 { + // The replaced child isn't the last visited one, and there are + // 0 or more than 1 nodes to replace it. Special care must be + // given to update the state of that ChildrenList. match (prev, next) { (Some(_), None) => {}, (None, Some(next)) => { |