array set vs push

JavaScript performance comparison

Test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var randVals = [];
  for (var i = 0; i < 10000; i++) {
    randVals.push(Math.random());
  }

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
array set
var arr = [];
arr.length = 10000;
for (var i = 0; i < 10000; i++) {
  arr[i] = randVals[i];
}
pending…
array push
var arr = [];
for (var i = 0; i < 10000; i++) {
  arr.push(randVals[i]);
}
pending…

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