8 Ways to Cycle Through Classes on an Element

Imagine you have three HTML classes, and a DOM element should only possess one at any given time:

<div></div>
<div></div>
<div></div>

Your task is to rotate these classes. This means cycling through them on an HTML element. Upon a specific event, if the element has state-1, remove state-1 and add state-2. If it has state-2, remove it and add state-3. Finally, if it has state-3, remove it and cycle back to state-1.

A working example with code for each method can be found in this demo Pen [link to demo pen would go here if provided]. The examples are numbered; to test a different method, comment out the currently active example and uncomment the desired one.

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