JavaScript

Are you looking for documentation about the JavaScript language? You probably want the Mozilla Developer Network JavaScript site.

SpiderMonkey

For up-to-date information about SpiderMonkey, the JavaScript engine that powers Firefox, visit our new web site at SpiderMonkey.dev

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This is the project page for SpiderMonkey, Mozilla's JavaScript engine.

• Feature Roadmap
• Technical debt
• JS project pages

Communication

• Mailing lists:
  • dev-tech-js-engine-internals for SpiderMonkey project discussion (You probably want this list!)
  • dev-tech-js-engine for questions about embedding the standalone SpiderMonkey releases
• Matrix https://chat.mozilla.org
  • spidermonkey for all things SpiderMonkey

New Contributors

• "So you're new to SpiderMonkey" is a guide for new contributors
• SpiderMonkey coding style guide
• JavaScript engine hackers and areas of expertise
• MDN's SpiderMonkey C++ documentation

Links

• Old JavaScript project page
• Information on the Treeherder hazard builds (H builds)
• Information on the Treeherder shell builds (SM(...) builds)
• SpiderMonkey hacking tips and tricks