<p>freeCodeCamp's JavaScript Algorithms and Data Structures certification teaches core JavaScript from variables and loops through OOP, functional programming, and asynchronous code. The updated 2024 curriculum is built around 21 projects — 16 practice projects plus 5 certification projects — and awards a free verifiable certificate on completion.</p> <ul> <li>Open to all; basic HTML and CSS familiarity is helpful but not required</li> <li>Covers JavaScript fundamentals, DOM, regular expressions, localStorage, recursion, OOP, sorting algorithms, and Fetch / Promises / async-await</li> <li>Five certification projects: football team cards, TODO app, number sorter, shopping cart, and forum leaderboard</li> <li>Certification projects must pass automated test suites to qualify</li> <li>Free verifiable certificate shareable on LinkedIn; no fees at any stage</li> <li>Self-paced with an estimated 300 hours for the full curriculum</li> </ul> <p>Create a free freeCodeCamp account, open the curriculum, and build the five certification projects to claim the certificate.</p>