Modern JavaScript (ES6+) – Learn JavaScript

About Modern JavaScript (ES6+)

Deep dives on ES modules, classes, iterables, promises, async/await, and beyond.

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Write small REPL examples for each feature you learn.
Practice converting callback code to Promises and async/await.
Prefer ESM (import/export) over legacy patterns.

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Modern JavaScript (ES6+)

JavaScript.info – Data types & Objects — Objects, references, cloning
JavaScript.info – Promises, async/await — Modern asynchronous JS
JavaScript.info – Modules — ES modules in depth
MDN – JavaScript Modules — Using ESM in the browser
MDN – Classes — Class syntax and inheritance
MDN – Iterables and Iterators — for..of, generators
MDN – Map, Set, WeakMap, WeakSet — ES6 collections
MDN – Destructuring assignment — Arrays & objects destructuring
MDN – Arrow functions — Concise function syntax
MDN – Template literals — String interpolation
MDN – Modules import() dynamic — Dynamic import
TC39 – ECMAScript Proposals — Track upcoming JS features