How to Add and Remove CSS Classes Dynamically in JavaScript | DOM Class Manipulation Made Easy

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How to Add and Remove CSS Classes Dynamically in JavaScript | DOM Class Manipulation Made Easy Want to show/hide elements, highlight sections, or trigger animations with JavaScript? In this beginner-friendly tutorial, you’ll learn how to add and remove CSS classes dynamically using JavaScript — an essential skill for building interactive websites. We'll use the powerful classList API to modify classes in real-time, enabling things like toggles, button states, theme switching, validation indicators, and more — all with clean, efficient code. 🧠 In this video, you’ll learn: How to select elements using getElementById and querySelector Use of classList.add(), classList.remove(), and classList.toggle() Best practices for clean, readable code Real-world examples: button toggle, active state styling, dark/light mode How to avoid className overwriting and bugs Perfect for JavaScript beginners, students, and anyone working on interactive UIs, games, or frontend projects. 🎯 Watch our full JavaScript Tutorials Playlist to learn more about DOM manipulation, event handling, and real-world web projects! #JavaScript #CSSClasses #classList #DOMManipulation #AddRemoveClasses #LearnJavaScript #FrontendDevelopment #WebDevelopment #JavaScriptTutorial #CodingForBeginners
  2025/07/14      youtube

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