jQuery .find() vs. context selector

JavaScript performance comparison

Revision 121 of this test case created by Andy

Preparation code

<script src="https://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');
  var $article = $('article');

};
</script>

Preparation code output

<article> <p>A test</p> <p><iframe></iframe></p> <p>This is text</p> </article>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
jquery node context
var hasFrame = $('p', $article[0]).length > 0 ? true : false;
pending…
jquery context
var hasFrame = $('p', $article).length > 0 ? true : false;
pending…
jquery node find
var hasFrame = $($article[0]).find('p').length > 0 ? true : false;
pending…
jquery find
var hasFrame = $article.find('p').length > 0 ? true : false;
pending…
find method
var hasFrame = $(article).find('p').length > 0 ? true : false;

pending…
context method
var hasFrame = $('p', article).length > 0 ? true : false;
pending…

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Revisions

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A test

This is text