YUI v3.4.1 vs. jQuery v1.7 DOM queries

JavaScript performance comparison

Revision 16 of this test case created by Christoph

Preparation code

<script src="http://yui.yahooapis.com/3.4.1/build/yui/yui-min.js">
</script>
<script src="http://code.jquery.com/jquery-1.7.min.js">
</script>
<div id="test">
  <div class="testlink">
    <a href="#" id="linkone" title="test">test link</a>
  </div>
  <div class="testmenu">
    <ul>
      <li class="menuitem itemone">
        <a href="#" title="item 1">menu item 1</a>
      </li>
      <li class="menuitem itemtwo">
        <a href="#" title="item 2">menu item 2</a>
      </li>
      <li class="menuitem itemthree">
        not clickable item 3
      </li>
    </ul>
  </div>
</div>
<script>
  var selectors = ['body', 'div', 'body div', 'div a', 'div > a', 'div[class^=test]', 'div, li, a', '.menuitem', 'li.menuitem', '#linkone', 'div#test', 'a[title*=item]', 'a[title=test]', 'li:nth-child(even)', 'li:nth-child(odd)', 'li:last-child', 'li:first-child'];
var selectorsJQuery = [];
for (sel in selectors) {
  selectorsJQuery.push(sel+":first");
}
  var Y = YUI().use('node');

</script>

Preparation code output

test link

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Testing in unknown unknown
Test Ops/sec
jQuery v1.7
 
for (var sel in selectorsJQuery) {
  $(sel);
}
 pending…
YUI v3.4.1
 
for (var sel in selectors) {
  Y.one(sel);
}
 
 pending…

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