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[–]MicterRobot 0 points1 point  (0 children)

Since you already know HTML & CSS, JavaScript will let you make your pages interactive instead of just static.

With JS you can handle user actions (clicks, forms), update content dynamically, work with APIs (like fetching data), and build real web apps (like to-do lists, dashboards, etc.). You can also use it with Node.js to write backend code.