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perf(jQuery): only trigger $destroy if a handler exists

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Speeds up largetable destruction by 30% (500ms) when jQuery 2.1.1 is present.

Closes #8859
This commit is contained in:
Jason Bedard
2014-08-29 23:11:04 -07:00
committed by Igor Minar
parent 43c67ccd16
commit f6aa1c5561
1 changed files with 5 additions and 1 deletions
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6
src/Angular.js
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@@ -1500,9 +1500,13 @@ function bindJQuery() {
// the $destroy event on all removed nodes.
originalCleanData = jQuery.cleanData;
jQuery.cleanData = function(elems) {
var events;
if (!skipDestroyOnNextJQueryCleanData) {
for (var i = 0, elem; (elem = elems[i]) != null; i++) {
jQuery(elem).triggerHandler('$destroy');
events = jQuery._data(elem, "events");
if (events && events.$destroy) {
jQuery(elem).triggerHandler('$destroy');
}
}
} else {
skipDestroyOnNextJQueryCleanData = false;