jquery each vs while loop

JavaScript performance comparison

Test case created by Brandon Collins

Preparation code

<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div>
<div class="one"></div><div class="one"></div>
<div class="one"></div><div class="one"></div><div class="one"></div><div class="one"></div>
<div class="one"></div><div class="one"></div><div class="one"></div><div class="one"></div><div class="one"></div><div class="one"></div><div class="one"></div><div class="one"></div><div class="one"></div><script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 
<script>
Benchmark.prototype.setup = function() {
    var $ones = $('.one');
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
jquery each
$ones.each(function(index) {
  $(this).addClass('test' + index);
});
pending…
while loop
var i = 0;
for (i; i < $ones.length; i++) {
  $($ones[i]).addClass('test' + i);
}
pending…

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