While you can pick up the very basics of JavaScript in a day, becoming truly good at it takes much longer. Think of it like ...

GitHub is where people build software. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects.

A concise collection of core JavaScript concepts including variables, data types, conditionals, loops, functions, callbacks, hoisting, objects, and arrays — with clear examples for quick learning and ...