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addEventListener Guide: Handle User Actions in JavaScript Learn how JavaScript listens to user actions such as clicks, typing, scrolling, and form submissions using addEventListener(). Introduction Modern websites are interactive because they react to user actions. When you click a button, submit a form, open a menu, type inside a search box, or press a keyboard key, JavaScript is usually listening for an event. The tool responsible for most of this interaction is addEventListener() . Without event listeners, websites would simply display information without responding to users. Learning addEventListener() is one of the most important steps in becoming a frontend developer. What Is addEventListener()? What It Is addEventListener() is a JavaScript method that listens for specific events on an element. When the event occurs, JavaScript executes a function. Why It Matters It allows webpages to respond to user actions. Real-World Example Whe...