Qwery vs Sizzle

JavaScript performance comparison

Revision 17 of this test case created


Checking perf for basic selectors. Each revision will contain different tests.

Preparation code

<script src="http://s3.amazonaws.com/nwapi/nwmatcher/nwmatcher-1.2.5-min.js"></script>
<script src="http://code.jquery.com/jquery-1.7.1.min.js"></script>
<script src="https://github.com/ded/qwery/raw/master/qwery.js"></script>
<div foo="bar"></div>
<div class="a"></div>
<div id="boosh">
  <div class="a b">
    <div class="d e" test="fg" id="booshTest"></div>
    <em test="f g"></em>
    <span class="h i a"></span>
<div id="attr-test1"></div>
<div id="attr-test2"></div>
<div id="attr-test3" class="found you" title="whatup duders"></div>
  Benchmark.count = 0;
  Benchmark.prototype.setup = function() {
NW.Dom.configure( { USE_QSAPI: false } );
   var N = NW.Dom.select,
       Q = qwery,
       S = jQuery,
       c = 0,
       id = "boosh" + (Benchmark.count += this.count),
       el = document.getElementById('boosh');
  useNativeQSA: false

  Benchmark.prototype.teardown = function() {
   el.id = 'boosh';

Preparation code output

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
Qwery div
el.id = id + (++c);
Q('div, #' + id + c);
Sizzle div
el.id = id + (++c);
S('div, #' + id + c);
NWMatcher div
el.id = id + (++c);
N('div, #' + id + c);

Compare results of other browsers


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