jQuery Grep vs John Resigs Array Remove

JavaScript performance comparison

Revision 2 of this test case created by

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
      
<script>
Benchmark.prototype.setup = function() {
  function arrayRemove(array, from, to) {
    var rest = array.slice((to || from) + 1 || array.length);
    array.length = from < 0 ? array.length + from : from;
    return array.push.apply(array, rest);
  };
  
  var arr = [1, 9, 3, 8, 6, 1, 5, 9, 4, 7, 3, 8, 6, 9, 1];

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Grep
$.grep(arr, function(v, i) {
  return (i < 4 && i > 9)
});
pending…
Array Remove
arrayRemove(arr, 4, 9);
pending…

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Revisions

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