ClassList versus ClassName

JavaScript performance comparison

Revision 7 of this test case created by

Preparation code

<div id="foo"
></div>
<script>
 fooEl = document.getElementById('foo');
</script><script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
    

Preparation code output

<div id="foo" ></div> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Class List All
fooEl.classList.remove('bar', 'bara', 'barara'); 
fooEl.classList.add('bar', 'bara', 'barara'); 
pending…
Class List One By One
fooEl.classList.remove('bar', 'bara', 'barara'); 
fooEl.classList.add('bar'); 
fooEl.classList.add('bara'); 
fooEl.classList.add('barara'); 
pending…
ClassName All
fooEl.className = '';
fooEl.className = 'bar bara barara'; 
pending…
ClassName One by One
fooEl.className = '';
fooEl.className += ' bar';
fooEl.className += ' bara'; 
fooEl.className += ' barara'; 
pending…

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