What is JavaScriptCore written in?

Year 2001 Paradigm tool Typing unspecified

Apple/WebKit JavaScript engine.

Its runtime is implemented in C, C++, and Assembly (documented).

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Runtime Implementation

LanguageConfidenceNotesSource
C 85% JavaScriptCore has C components Source
C++ 92% JavaScriptCore written in C++ and Assembly Source
Assembly 85% JavaScriptCore JIT uses assembly Source

Frequently Asked Questions

What language is JavaScriptCore written in?
JavaScriptCore is primarily implemented in C and C++ and Assembly. See the implementation section above for details and source references.

Evidence Sources

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