.attr('id')vs.id

JavaScript performance comparison

Test case created

Preparation code

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

Preparation code output

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Testing in unknown unknown
Test Ops/sec
.attr
$('.abc').each(function(){
var abc=$(this).attr('id');
});
pending…
.id
$('.abc').each(function(){
var abc=this.id;
});
pending…

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