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Code Issues Releases Wiki Activity

Preallocating in LinkedList's toArray method (#5488)

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Cameron Fischer 2021-02-11 08:39:50 -05:00 committed by GitHub
parent bfa062f23d
commit c0dc2669c0
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1 changed files with 3 additions and 2 deletions
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core/modules/utils/linked-list.js
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@ -89,8 +89,9 @@ LinkedList.prototype.each = function(callback) {
};
LinkedList.prototype.toArray = function() {
var output = [];
this.each(function(value) { output.push(value); });
var output = new Array(this.length),
index = 0;
this.each(function(value) { output[index++] = value; });
return output;
};