$.each vs for my

JavaScript performance comparison

Revision 2 of this test case created

Info

$.each vs for

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 
<script>
Benchmark.prototype.setup = function() {
    var aValues = [];
    for (var i = 0; i < 100; i++) {
      aValues.push({number: i});
    }
    var val;
    var aSelectedValues = [];
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
$.each
$.each(aValues, function(index, value) {
  val = value.number;
  if (val === 55 || val === 99) {
     aSelectedValues.push(val);
  }
});
pending…
for
for (var index = 0; index < aValues.length; index++) {
  val = aValues[index].number;
  if (val === 55 || val === 99) {
     aSelectedValues.push(val);
  }
}
pending…

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