Javascript array concat vs push (v34)

Revision 34 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);

Setup

var arr1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
    var arr2 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
    var arr3 = []

Test runner

Ready to run.

Testing in
TestOps/sec
concat
function mcyon(a1,a2) {
return a1.concat(a2);
}
for (i = 10000; i > 0; i--) {
  arr3 = mcyon(arr1, arr2);
}
ready
push
function mcyon2(a1,a2) {
Array.prototype.push.apply(a1, a2);
return a1;
}
for (i = 10000; i > 0; i--) {
  mycon2(arr1,arr2)
}
ready

Revisions

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