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luci-base: cbi.js: utilize node.closest() if available

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Use node.closest() in findParent() when available since it should be faster
than manaually traversing the ancestor chain.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2018-10-20 09:55:59 +02:00
parent 911d540cbb
commit 6b8fc99fd5
1 changed files with 3 additions and 0 deletions
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modules/luci-base/htdocs/luci-static/resources/cbi.js
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@ -1606,6 +1606,9 @@ function matchesElem(node, selector)
function findParent(node, selector) function findParent(node, selector)
{ {
if (node.closest)
return node.closest(selector);
while (node) while (node)
if (matchesElem(node, selector)) if (matchesElem(node, selector))
return node; return node;