» This article is about the JavaScript engine. For the animal, see Spider monkey. For the XBRL taxonomy editor, see SpiderMonkey (taxonomy editor) SpiderMonkey is the code name for the first ever JavaScript engine, written by Brendan Eich at Netscape Communications and later released as open source. SpiderMonkey is now maintained by the Mozilla Foundation. Internals SpiderMonkey is written in C and contains a compiler, interpreter, decompiler, garbage collector, and standard classes. It doesn… (More on Spidermonkey)