How do I toggle between adding and removing a class name from an element?

Toggle between adding and removing a class name from an element with JavaScript.

Read on how to do it in this tutorial: https://www.w3schools.com/howto/howto_js_toggle_class.asp

Try it yourself here: https://www.w3schools.com/howto/tryit.asp?filename=tryhow_js_toggle_class 

Tip: Also see How To Add A Class.

Tip: Also see How To Remove A Class.

Tip: Learn more about the classList property in our JavaScript Reference.