JSConf Courses

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
• On-Demand
• 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
• On-Demand
• 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
• On-Demand
• 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
• On-Demand
• 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
• On-Demand
• 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
• On-Demand
• 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
• On-Demand
• 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
• On-Demand
• 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
• On-Demand
• Conference Talk

The Past, Present, and Future of JavaScript Date and Time APIs

Explore JavaScript's Date and Time APIs: past challenges, current library solutions, and future language improvements for better date/time handling in ECMAScript.

• YouTube
• 22 minutes
• On-Demand
• Conference Talk

Can You Read Me? Creative JavaScript to Make Computer Science Fun

Explore creative JavaScript projects for learning computer science concepts through building machines to send secret messages, showcasing remote collaboration and innovative coding techniques.

• YouTube
• 32 minutes
• On-Demand
• 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
• On-Demand
• 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
• On-Demand
• Conference Talk

Maintaining an OSS Project - Babel

Explore the journey of becoming an open-source maintainer, with insights on challenges, community interactions, and sustainability in OSS projects like Babel.

• YouTube
• 16 minutes
• On-Demand
• Conference Talk

Parsing JavaScript - Better Lazy Than Eager?

Explore V8's JavaScript parsing strategies, performance improvements, and developer best practices for optimizing parse times in web applications.

• YouTube
• 25 minutes
• On-Demand
• Conference Talk