Empty array

JavaScript performance comparison

Revision 61 of this test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var obj = { arr : [{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"},{a: 1, b: "2"}] };

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
length
obj.arr.length = 0;
obj.arr = [];
pending…
arr = null
obj.arr = null;
obj.arr = [];
pending…
delete arr
delete obj.arr;
obj.arr = [];
pending…
arr = []
obj.arr = [];
pending…
arr = new Array
delete obj.arr;
obj.arr = new Array();
pending…

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