Toolchain · 1996
SpiderMonkey
JavaScript engine maintained by the Mozilla Foundation.
Official site ›
1996First released
Brendan Eich and NetscapeBuilt by
Mozilla Public License, version 2.0License
Mozilla JavaScript engine.
What is SpiderMonkey written in?
SpiderMonkey, Mozilla's JavaScript engine, is written in C++ and Rust. It was the first JavaScript engine, created in 1995, and powers Firefox.
About SpiderMonkey
SpiderMonkey is a JavaScript engine maintained by the Mozilla Foundation.
SpiderMonkey first appeared in 1996 and was created by Brendan Eich and Netscape. Development is led by Mozilla Foundation and Mozilla Corporation.
Sources: Wikipedia · Wikidata · Official site
Quick Facts
- Short answer
- SpiderMonkey is C++ and Rust
- Developer
- Mozilla
- History
- First JavaScript engine, 1995
- Used by
- Firefox
The original JavaScript engine
SpiderMonkey was written by Brendan Eich at Netscape alongside JavaScript itself in 1995. Today it is maintained by Mozilla, written primarily in C++ with an increasing amount of Rust for memory safety, and uses a multi-tier JIT to execute JavaScript in Firefox.
Frequently Asked Questions
What language is SpiderMonkey written in?
SpiderMonkey, Mozilla's JavaScript engine, is written in C++ and Rust. It was the original JavaScript engine, written by Brendan Eich in 1995, and powers Firefox.
When was SpiderMonkey first released?
SpiderMonkey was first released in 1996. It was created by Brendan Eich and Netscape.