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While HTML and CSS control the content and styling of a page, JavaScript is used to make it interactive. In the JavaScript Algorithm and Data Structures Certification, you'll learn the fundamentals of JavaScript including variables, arrays, objects, loops, and functions.

Once you have the fundamentals down, you'll apply that knowledge by creating algorithms to manipulate strings, factorialize numbers, and even calculate the orbit of the International Space Station.

Along the way, you'll also learn two important programming styles or paradigms: Object Oriented Programming (OOP) and Functional Programming (FP).

JavaScript Algorithms and Data Structures (freeCodeCamp)

This is it — time to put your new JavaScript skills to work. These projects are similar to the algorithm scripting challenges you've done before – just much more difficult.

Complete these 5 JavaScript projects to earn the JavaScript Algorithms and Data Structures certification.

1. Palindrome Checker
2. Roman Numeral Converter
3. Caesars Cipher
4. Telephone Number Validator
5. Cash Register