jQuery.each vs. for loop

JavaScript performance comparison

Revision 109 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<script>
  var a = $('*').get();
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
jQuery.each
 
$.each(a, function() {
  var e = this;
});
 pending…
for loop
 
for (var i = 0, len = a.length; i < len; i++) {
  var e = a[i];
};
 pending…
xeach
 
var xeach = function(items, callback) {
    for (var i = 0, len = items.length; value = items[i], i < len; i++) {
      callback.apply(value);
    }
    };
xeach(a, function() {
  var e = this;
});​
 pending…

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