Javascript array concat vs push (v5)

Revision 5 of this benchmark created on

Description

1) var arr1=[1,2,3]; var arr2=[4,5,6]; var arr3=arr1.concat(arr2);

2) var arr1=[1,2,3]; var arr2=[4,5,6]; Array.prototype.push.apply(arr1,arr2);

Preparation HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/prototype/1/prototype.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/mootools/1.3/mootools-yui-compressed.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/yui/2.9.0/build/yuiloader/yuiloader-min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/dojo/1/dojo/dojo.xd.js"></script>

Setup

var arr1 = []
    var arr2 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]

Test runner

Ready to run.

Testing in
TestOps/sec
concat
for (i = 10000; i > 0; i--) {
  arr1 = arr1.concat(arr2);
}
ready
push
for (i = 10000; i > 0; i--) {
  Array.prototype.push.apply(arr1, arr2);
}
ready

Revisions

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