Empty array

JavaScript performance comparison

Revision 111 of this test case created by Russell Dempsey

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var arr = [];
  
  for(var i = 0; i < 100000; i++) {
    arr[i] = {};
    arr[i].a = 1;
    arr[i].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…

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Revisions

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