Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Edg/87.0.664.60
Chrome 87
Mac OS X 10.15.7
Desktop
4 years ago
Test name Executions per second
jQuery 3.3.1 1597499.8 Ops/sec
jQuery 1.8.3 1546565.8 Ops/sec
Vanilla JS querySelector 2314032.0 Ops/sec
Vanilla JS getElementById 4410787.0 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/1.8.3/jquery.js'></script>
6
<script type="text/javascript">
7
  var jq214 = $.noConflict(true);
8
</script>
9
<div id="testElement"></div>
Tests:
  • jQuery 3.3.1

     
    var el = jq331("#testElement")[0];
    var className = el.className;
  • jQuery 1.8.3

     
    var el = jq214("#testElement")[0];
    var className = el.className;
  • Vanilla JS querySelector

     
    var el = document.querySelector('#testElement');
    var className = el.className;
  • Vanilla JS getElementById

     
    var el = document.getElementById('testElement');
    var className = el.className;