Array Performance

JavaScript performance comparison

Revision 209 of this test case created by

Preparation code

<script>
  Benchmark.prototype.setup = function() {
    var a = [];
    var o = {};

    for (var i=0; i<1000; i++) {
       a.push(i);
       o[i] = 1;
    }
  };
</script>
    

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Array
var exist;
for (var i = 0; i < 1000; i++) {
  exist = a.indexOf(i) === -1;
}
pending…
Object
var exist;
for (var i = 0; i < 1000; i++) {
  exist = (i in o);
}
pending…
Object by Key
var exist;
for (var i = 0; i < 1000; i++) {
  exist = (i in o);
}
pending…

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