freeCodeCamp JavaScript Algorithms
freeCodeCamp • freeCodeCamp
Complete JavaScript certification covering basics, ES6, data structures, algorithms, and functional programming. Includes 5 certification projects. Completely free with certificate upon completion.
JavaScript Visualized Series' Articles
Lydia Hallie • Blog
A series of articles covering modern JavaScript from basics to advanced topics. Includes detailed visual explanations of concepts. One of the best free resources for learning JavaScript.
You Don't Know JS
Kyle Simpson • GitHub
Deep dive series into JavaScript's core mechanisms including scope, closures, this keyword, prototypes, and asynchronous patterns. Essential reading for understanding JavaScript deeply.
Namaste Node.js
Akshay Saini • NamasteDev
Master Node.js from scratch to advanced concepts including the V8 engine, event loop, and asynchronous programming. Includes deployment with Nginx on AWS and comprehensive interview preparation.