Element.children vs. $(this).find() vs. $(this).children()

JavaScript performance comparison

Test case created by Joseph Silber

Info

Compares the native Node.children.length to jQuery's $(this).children() and $(this).find('> *').

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div class="base">
  <div>
    <div>
      <div>
        <div>
          <!-- recursive divs (quantity not defined...) -->
        </div>
      </div>
    </div>
  </div>
</div>
<script>
Benchmark.prototype.setup = function() {
    var $base = $('.base');
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Element.children
$base.filter(function() {
  return ! this.children.length;
});
pending…
$(this).children
$base.filter(function() {
  return ! $(this).children().length;
});
pending…
$(this).find('> *')
$base.filter(function() {
  return ! $(this).find('> *').length;
});
pending…

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