Pure js hasClass vs jQuery hasclass (v23)

Revision 23 of this benchmark created on

Description

Additional comparison of className and getAttribute("class")

Preparation HTML

<div class="someClass" id="someElement"></div><script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
  var el = document.getElementById('someElement');
  
  function hasClass(el, cls) {
cls = " " + cls + " ";
return el.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
   }
  
  
   return false;
  }
  
  function hasClass2(el, selector) {
   var className = " " + selector + " ";
   var elemClassName = el.getAttribute("class");
   if ((" " + elemClassName + " ").replace(/[\n\t]/g, " ").indexOf(className) > -1) {
    return true;
   }
  
   return false;
  }
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
jQuery
$(el).hasClass('someClass');
ready
Pure JS (className)
hasClass(el, "someClass");
ready
Pure JS (getAttribute)
hasClass2(el, 'someClass');
ready

Revisions

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