Array direct assignment vs push (big array)

JavaScript performance comparison

Revision 49 of this test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var directArray = [];
  var pushArray = [];
  var presizedArray = Array(100000);

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Direct assignment
for(var i = 0; i < 100000; i++)
{
  directArray[i] = "test";
}
pending…
Push
for(var i = 0; i < 100000; i++)
{
  pushArray.push("test");
}
pending…
Direct assignment with pre-allocate
var pp=-1;
for(var i = 0; i < 100000; i++)
{
  directArray[pp++] = "test";
}
pending…

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