JavaScript Introduction (Microsoft)

Learn JavaScript from scratch. Covers ES6, regular expressions, debugging, data structures, OOP, functional programming, and algorithm scripting. Includes a free verified certificate.

The Odin Project's Foundations path takes you from zero to a working understanding of HTML, CSS, and JavaScript. Project-based learning with real code you build and can show to employers.

Scrimba's interactive JavaScript course lets you edit code right inside the video player. Covers syntax, functions, arrays, objects, DOM manipulation, and building real mini-projects.