Empty array

JavaScript performance comparison

Revision 209 of this test case created by Mike McKenzie

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var arr = new Array(100);
  
  for (var i = 100; i--;) {
    arr[i] = {
      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
arr.length = 0;
pending…
splice
arr.splice(0, arr.length);
pending…
pop
while (arr.length > 0) {
  arr.pop();
}
pending…
shift
while (arr.length > 0) {
  arr.shift();
}
pending…
new
arr = []
pending…
new object
arr = new Array()
pending…

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Revisions

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