Mozilla Hacks Courses

Adjusting SpiderMonkey for ECMA-262 Normative Change - Property Order in Builtin Functions

Explore the implementation of a recent TC39 change specifying property order on builtin functions in SpiderMonkey, Mozilla's JavaScript engine.

• YouTube
• 1 hour 6 minutes
• On-Demand
• Free Video

Fixing Wrong Error Messages for Private Fields in JavaScript

Explore JavaScript's private fields and learn how to address incorrect error messages when accessing them in this comprehensive tutorial.

• YouTube
• 1 hour 56 minutes
• On-Demand
• Free Video

Compiler Compiler - From Baseline to Ion Optimization - Part 6

Explore SpiderMonkey's optimization journey from Baseline to Ion compiler, covering Inline Caches, optimizing compilers, and concluding a bug fix implementation task from Episode 1.

• YouTube
• 1 hour 27 minutes
• On-Demand
• Free Video

Implementing JavaScript in Two Places: Baseline Interpreter and Compiler - Part 5

Explore SpiderMonkey's JS implementation, focusing on the transition from interpreter to baseline interpreter and the distinctions between interpreters and compilers.

• YouTube
• 1 hour 15 minutes
• On-Demand
• Free Video

Compiler Compiler - What is Bytecode? - Part 4

Explore bytecode implementation in Firefox's JavaScript engine, delving into consistency issues and visual aids for understanding ECMAScript spec intricacies.

• YouTube
• 1 hour 1 minute
• On-Demand
• Free Video

Debugging SpiderMonkey: Pre-increment Bug and Related Issues - Part 3

Debugging SpiderMonkey: Fixing pre-increment bug and exploring related issues in Firefox's JavaScript engine. Continuation of previous livestream on compiler development.

• YouTube
• 1 hour 8 minutes
• On-Demand
• Free Video

Fixing a Bug in the SpiderMonkey JavaScript Compiler - Part 1

Explore SpiderMonkey compiler development with Yulia Startsev as she demonstrates fixing a JavaScript specification conformance bug, offering insights into compiler engineering.

• YouTube
• 59 minutes
• On-Demand
• Free Video

Compiler Compiler - TC39 and How JavaScript Gets Made

Explore the JavaScript standardization process, recent TC39 updates, and SpiderMonkey implementation with insights from Yulia Startsev's livestream on evolving JS specifications.

• YouTube
• 1 hour 12 minutes
• On-Demand
• Free Video

Designing for User-Centered Privacy

Explore user-centric privacy research and its implications for browser design. Learn about misconceptions, cultural perspectives, and the importance of data protection in the digital age.

• YouTube
• 19 minutes
• On-Demand
• Free Video

Percentage Rollout for Single Page Web Apps

Optimize single page apps using backend techniques for improved performance and user experience. Learn from a Grab engineer's insights and strategies.

• YouTube
• 19 minutes
• On-Demand
• Free Video

Let's Talk About Web Compatibility - Browser Challenges and DevTools

Explore web compatibility challenges, tools like webcompat.com, and Firefox DevTools. Learn about browser compatibility-checker development and improving web experiences across platforms.

• YouTube
• 21 minutes
• On-Demand
• Free Video

An IoT Forecast That's Sunny and Clear - Mozilla WebThings

Explore Mozilla WebThings: a private, secure, and interoperable IoT solution that eliminates cloud dependency, promoting decentralization and open-source innovation.

• YouTube
• 13 minutes
• On-Demand
• Free Video

10 Things I Hate About Web Animation - Solutions and Technologies

Explore common web animation issues and their solutions in this insightful talk by Brian Birtles, covering transitions, CSS animations, performance, and more.

• YouTube
• 20 minutes
• On-Demand
• Free Video

10 Things I Hate About Web Animation

ウェブアニメーションの問題点と技術的解決策を紹介。開発者向けに、より効果的なアニメーション制作のヒントを提供。

• YouTube
• 20 minutes
• On-Demand
• Free Video

Developing for Mixed Reality on the Open Web Platform

Explore Mozilla's Mixed Reality offering and the underlying web platform for developing immersive experiences on the open web.

• YouTube
• 28 minutes
• On-Demand
• Free Video