Javascript array concat vs push (v8)

Revision 8 of this benchmark created by cg on

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
arr1 = [0, 9, 8, 7, 6, 5, 4, 3, 2, 1];
arr1 = arr1.concat([1, 2, 3]);
ready
push
arr1 = [0, 9, 8, 7, 6, 5, 4, 3, 2, 1];
arr1.push(1);
arr1.push(2);
arr1.push(3);
ready

Revisions

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