JSConf Courses

Strategy Guide for CSS Custom Properties

Practical guide on using CSS variables for theming, responsive design, prototyping, and animation. Learn how to implement dynamic variables locally for optimal results.

• YouTube
• 28 minutes
• Self-Paced
• Conference Talk

Tales From the Trenches - Fingerprints on the Web

Explore browser fingerprinting techniques, their impact on privacy, and Tor Browser's defenses against these attacks. Learn about past and present challenges in web anonymity.

• YouTube
• 24 minutes
• Self-Paced
• Conference Talk

Asynchrony - Under the Hood

Explore asynchronous programming in JavaScript, comparing callbacks, promises, generators, and async/await. Gain insights into implementation differences, performance, and future trends in async development.

• YouTube
• 25 minutes
• Self-Paced
• Conference Talk

Further Adventures of the Event Loop

Explore advanced concepts of JavaScript's event loop, including web workers, promises, and Node.js implementation. Gain deeper insights into asynchronous programming and multi-threaded event handling.

• YouTube
• 21 minutes
• Self-Paced
• Conference Talk

In The Loop

Explore browser event loop, tasks, microtasks, and rendering with Jake Archibald. Learn to debug timing issues and optimize web performance without relying on setTimeout hacks.

• YouTube
• 35 minutes
• Self-Paced
• Conference Talk

JavaScript Metaprogramming - ES6 Proxy Use and Abuse

Explore ES6 Proxy's metaprogramming capabilities, from creating custom syntax to redefining undefined. Learn practical applications and creative uses in modern JavaScript development.

• YouTube
• 26 minutes
• Self-Paced
• Conference Talk

Web Animation - From Disney to SASS

Explore staggered animation techniques inspired by Disney's principles, implemented with CSS, SASS, and GSAP for creating lively web animations.

• YouTube
• 28 minutes
• Self-Paced
• Conference Talk

Make Your Animations Perform Well

Explore browser rendering, optimization techniques, and best practices for creating smooth, fast web animations that enhance user experience and website performance.

• YouTube
• 28 minutes
• Self-Paced
• Conference Talk

How Browsers Work

Explore the inner workings of web browsers, understanding their core components and processes for rendering web pages efficiently.

• YouTube
• 20 minutes
• Self-Paced
• Conference Talk

Where Does CSS Come From?

Explore the origins and development process of CSS, gaining insights into its quirks and future directions while learning how to contribute to its evolution.

• YouTube
• 29 minutes
• Self-Paced
• Conference Talk

Source Maps Through the Looking Glass

Explore the inner workings of source maps, their generation tools, and parsers. Learn to manipulate them directly for enhanced debugging and development workflows.

• YouTube
• 24 minutes
• Self-Paced
• Conference Talk

A Brief History of Modularity

Explore modularity's history, benefits, and pitfalls in software development. Uncover its origins, examine current practices, and consider future implications for creating extensible code.

• YouTube
• 29 minutes
• Self-Paced
• Conference Talk

Two Problems - Regular Expressions for Revolutionaries

Demystifying regular expressions: their implementation in JavaScript, historical context, and practical applications for web developers.

• YouTube
• 22 minutes
• Self-Paced
• Conference Talk

JavaScript Engines - How Do They Even?

Explore JavaScript engine internals, compilation techniques, and performance optimization. Learn how to write efficient code for modern JS engines and understand their inner workings.

• YouTube
• 25 minutes
• Self-Paced
• Conference Talk

A Cartoon Intro to WebAssembly

Explore WebAssembly's speed and potential through cartoons, understanding its basics, performance benefits, and why it's considered the future of web development.

• YouTube
• 30 minutes
• Self-Paced
• Conference Talk