hasClass-vs-is

JavaScript performance comparison

Revision 19 of this test case created by HBender

Preparation code

<div class="class1">Element</div>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
Benchmark.prototype.setup = function() {
    var element = $('div');
};
</script>

Preparation code output

Element

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Testing in unknown unknown
Test Ops/sec
hasClass
if( element.hasClass('class1') || element.hasClass('class2') || element.hasClass('class3') || element.hasClass('class4') || element.hasClass('class5') ) {
  console.log("hasClass");
}
pending…
is
if( element.is('.class1, .class2, .class3, .class4, .class5') ) {
  console.log("is");
}
pending…

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