- [Basic JavaScript](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/#basic-javascript)

- [ES6](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/#es6)

- [Regular Expressions](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/#regular-expressions)

- [Debugging](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/#debugging)

- [Basic Data Structures](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/#basic-data-structures)

- [Basic Algorithm Scripting](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/#basic-algorithm-scripting)

- [Object-Oriented Programming](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/#object-oriented-programming)

- [Functional Programming](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/#functional-programming)

- [Intermediate Algorithm Scripting](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/#intermediate-algorithm-scripting)

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**Projects**: [Palindrome Checker](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/palindrome-checker),[ Roman Numeral Converter](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/roman-numeral-converter), [Caesar's Cipher](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/caesars-cipher), [Telephone Number Validator](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/telephone-number-validator), [Cash Register](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/cash-register)