Javascript array concat vs spread operator

JavaScript performance comparison

Revision 343 of this test case created by Chris Albrecht

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var arr1 = Array.from(Array(1000), (x,i) => i + 1)
  var arr2 = Array.from(Array(500), (x,i) => i - 1)
  

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
push.apply
arr1 = Array.prototype.push.apply(arr1, arr2);
pending…
spread operator
arr1 = [...arr1, ...arr2];
pending…

Revisions

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