javascript-vs-jquery-foreach

JavaScript performance comparison

Test case created by Jamy Golden

Info

Javascript for(each) vs jQuery (for)each.

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<ul>
    <li><a href="#">List Item</a></li>
    <li><a href="#">List Item</a></li>
    <li><a href="#">List Item</a></li>
    <li><a href="#">List Item</a></li>
    <li><a href="#">List Item</a></li>
    <li><a href="#">List Item</a></li>
</ul>
<script>
  var listItems = $('li');
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Javascript
for (var i = 0; i < listItems; i++){
    return i;
}
pending…
jQuery
listItems.each(function(i){
    return i;
});
pending…

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1 comment

Mohit commented :

Thanks so much....It was really helpful.

Would like to hear more about Javascript vs jQuery.

Mohit

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