addClass/removeClass vs classList.add/remove

jQuery addClass/removeClass vs classList.add/remove
one year ago
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36
Test name Executions per second
jQuery 3.3.1 addClass/removeClass 221079.7 Ops/sec
jQuery 2.1.4 addClass/removeClass 262903.1 Ops/sec
Vanilla JS classList add/remove 456882.1 Ops/sec
HTML Preparation code:
AخA
 
1
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
2
<script type="text/javascript">
3
  var jq331 = $.noConflict(true);
4
</script>
5
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.js'></script>
6
<script type="text/javascript">
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  var jq214 = $.noConflict(true);
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</script>
9
<div id="testElement"></div>
Tests:

  • jQuery 3.3.1 addClass/removeClass

     
    var element = jq331('#testElement');
    element.removeClass('test-class');
    element.addClass('test-class');
    element.removeClass('test-class');

  • jQuery 2.1.4 addClass/removeClass

     
    var element = jq214('#testElement');
    element.removeClass('test-class');
    element.addClass('test-class');
    element.removeClass('test-class');

  • Vanilla JS classList add/remove

     
    var element = jq331('#testElement')[0];
    element.classList.remove('test-class');
    element.classList.add('test-class');
    element.classList.remove('test-class');
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