JavaScript - Wikipedia
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How to change the class of an element in JavaScript?
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Change an element class JavaScript - GeeksforGeeks
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How to Get and Modify Element's Attributes, Classes, and Styles through JavaScript
How to Change an Element's Class with JavaScript
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How to add a class to an element using JavaScript - javatpoint
javascript - Change class name only for one div - Stack Overflow
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How to manipulate classes without jQuery by using HTML5's classList API
jquery - Change CSS style of a class with javascript, but not in the DOM - Stack Overflow
