each vs for

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div class='myclass'>
</div>
<div class='myclass'>
</div>
<div class='myclass'>
</div>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
a1
var myclass = $('.myclass');
for (var i = 0; i < myclass.length; i++) {
  myclass.eq(i).text(i);
}
pending…
a2
var myclass = $('.myclass');
myclass.each(function(i) {
  $(this).text(i);
});
pending…
a3
var myclass = $('.myclass');
var j = myclass.length
for (var i = 0; i < j; i++) {
  myclass.eq(i).text(i);
}
pending…

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