JavaScript Resources, Tutorials and Guides
JavaScript remains the language of the web. Explore tutorials on modern JavaScript, async programming, browser APIs, and patterns used in production codebases everywhere from tiny scripts to massive apps.
239 articles · Updated July 2, 2026
Learn how the event loop and async/await actually work — it's the concept that separates confident JS developers from the rest.
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Getting started
Beginner-friendly guides to help you learn the fundamentals.
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From Explain
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From Basics
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Frequently asked questions
Quick answers about this topic hub.
Where should I start learning JavaScript?▾
Check the getting started articles below for foundational guides, then explore our Explain and Basics hubs for concept explainers and cheatsheets. Focus on the language fundamentals before jumping into frameworks.
What is the difference between JavaScript and TypeScript?▾
TypeScript is JavaScript with static types added. It compiles down to plain JavaScript but catches many bugs at build time and improves editor tooling. Learn JavaScript first, then adopt TypeScript as projects grow.
What are async/await and promises?▾
Promises represent a value that will be available later, and async/await is cleaner syntax for working with them. They're how modern JavaScript handles asynchronous work like network requests without deeply nested callbacks.
