JSConf Courses

Getting Reactive with CSS

Explore combining CSS variables with reactive programming in JS to create complex, interactive user interfaces and push the limits of web styling.

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

Go Offline First to Save The World

Explore offline-first app development techniques for crucial scenarios like supporting hospitals in Africa and providing power in Haiti, enhancing accessibility and performance globally.

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

Shared Memory and Parallel Programming with JavaScript

Explore SharedArrayBuffer and Atomics for parallel programming in JavaScript. Learn to boost performance, utilize CPU cores, and write safe code with shared memory. Includes TurboScript intro and live demo.

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

Sociolinguistics and the Javascript Community - A Love Story

Explore how sociolinguistics has shaped JavaScript learning and community dynamics, fostering inclusivity and valuing diverse contributions in the evolving JS ecosystem.

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

Aesthetics of Code

Explore the subjective nature of code beauty, examining factors like readability, elegance, and simplicity. A visual journey through diverse coding styles and languages.

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

The Browser Hackers Guide to Instantly Loading Everything

Explore browser optimization techniques for instant loading, including preload, prefetch, HTTP/2 Server Push, and efficient JavaScript bundling, to enhance user experience on mobile devices.

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

How to Be a Web A-V Artist

Explore audio visualization in browsers using Web Audio API, custom properties, and Web MIDI API. Learn innovative techniques for real-time data processing and hardware control.

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

Sequential Art, Comics & SVGs

Explore creating interactive, dynamic web art using SVGs and Adobe Illustrator. Learn techniques for high-resolution, performant animations that enable designers to deliver cinematic-quality stories without coding.

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

Let's Go Big - Big Numbers in JavaScript

Explore creative techniques to represent and manipulate numbers beyond JavaScript's natural constraints, freeing both numbers and developers from limitations.

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

Scaffolding CSS for Scale

Discover how to create a lightweight, localized CSS framework for scalable web development, focusing on reusable components and multi-language support across diverse scripts.

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

Making the Jump - How Desktop-Era Frameworks Can Thrive on Mobile

Explore how desktop-era frameworks adapt to mobile constraints, optimizing performance and user experience for smartphones while building better apps for all platforms.

• YouTube
• 31 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

My Gender Is - Shipping Expanded Gender Options

Explore expanded gender options in software, addressing inclusivity challenges, measuring impact, and navigating social justice projects in tech workplaces.

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

YES, Your Site Too Can - and Should - Be Accessible

Learn to make your website accessible with practical solutions and lessons from The Financial Times' journey. Discover how to integrate accessibility into your process, regardless of resources.

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

CSS and the First Meaningful Paint

Exploring strategies for optimizing CSS loading to achieve rapid first meaningful paint, including inline CSS, HTTP/2 server push, and Service Workers for faster, more resilient user experiences.

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