Info

comparing selector speed

Preparation code

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

<article>
<p>A test</p>
<p><iframe></iframe></p>
<p>This is text</p>
</article>
 
<script>
  Benchmark.prototype.setup = function() {
    var article = document.querySelector('article');
    
  };
</script>

Preparation code output

Test runner

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var hasFrame = $(article).find('iframe').length > 0 ? true : false;

 

var hasFrame = $('iframe', article).length > 0 ? true : false;

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published by Brian on 3rd February 2012
• Revision 2: published on 26th April 2012

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