Javascript array concat vs push

JavaScript performance comparison

Revision 231 of this test case created by

Preparation code 


      
      <script>

        Benchmark.prototype.setup = function() {

          
  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 = []

        
  };


      
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
concat 
for (i = 10000; i > 0; i--) {
  arr1 = arr1.concat(arr2);
}
 pending…
slice push 
for (i = 10000; i > 0; i--) {
  arr1 = arr1.slice();
  arr1.push(...arr2);
}
 pending…

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