Javascript array concat vs push (v20)

Revision 20 of this benchmark created on

Description

1) var arr1=[1,...,9,0]; var arr2=[1,...,9,0]; var arr1=arr1.concat(arr2);

2) var arr1=[1,...,9,0]; var arr2=[1,...,9,0]; 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];

Test runner

Ready to run.

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

Revisions

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