Javascript array concat vs push (v11)

Revision 11 of this benchmark created on

Setup

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

Teardown


    arr1.length = 0;
    arr2.length = 0;

Test runner

Ready to run.

Testing in
TestOps/sec
concat
for (var i = 0; i < arr1.length; i++) {
  arr2 = arr2.concat(arr1);
}
ready
push
for (var i = 0; i < arr1.length; i++) {
  for (var j = 0; j < arr1.length; j++) {
    arr2.push(arr1[j])
  }
}
ready

Revisions

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