id vs class

JavaScript performance comparison

Test case created

Preparation code

<p id="testID" class="testClass">Test</p><script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 

Preparation code output

Test

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Testing in unknown unknown
Test Ops/sec
id
$('#test').text('replace');
pending…
class
$('.test').text('replace');
pending…

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