Performance of Array vs. Object

JavaScript performance comparison

Revision 155 of this test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var arr = [],
      i,
      obj = {};
  

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Array delete
for (var x=0; x < 10000; ++x) {
    delete arr[x]
}
pending…
Object delete
for (var x=0; x < 10000; ++x) {
    delete obj[x]
}
pending…
Array undefined
for (var x=0; x < 10000; ++x) {
   arr[x] = undefined
}
pending…
Object undefined
for (var x=0; x < 10000; ++x) {
   obj[x] = undefined
}
pending…
Array insert
for(i = 0; i < 10000; i += 1) {
    var o = {payload:i};
    arr[i] = o;
}
pending…
Object insert
for(i = 0; i < 10000; i += 1) {
    var o = {payload:i};
    obj[i] = o;
}
pending…

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Revisions

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