Modern Web Design with HTML5, CSS3, and JavaScript - Manipulating Page Elements - JavaScript and Classes

The video tutorial covers how to manipulate HTML element classes using JavaScript. It explains how to select elements, add, remove, toggle, and replace classes using the class list method. The tutorial also demonstrates conditional class application based on element index and how to check for class presence using boolean values. Additionally, it shows how to add and remove multiple classes simultaneously.

What method is used to add, remove, or toggle classes on an element?

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How can you select an element by its ID in JavaScript?

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What happens when you toggle a class that is already applied to an element?

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Describe the process of replacing a class on multiple elements using JavaScript.

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How can you check if an element contains a specific class?

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Explain how to add multiple classes to an element using JavaScript.

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What is the purpose of the class list method in JavaScript?

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