Javascript engine written in Rust
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Latest commit 3c282d8 Dec 4, 2018


This is an experimental Javascript lexer, parser and Just-in-Time compiler written in Rust. Currently, it has support for some of the language.
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This project is an attempted rewrite of Bebbington's Most of the Rust code has been rewritten from scratch.


  • string.length - works in 0.1.5
  • Adding support for constructors
  • Better error output
  • Passing test262


  • Checkout this project
  • Build cargo build
  • cargo run
  • You can make changes to tests/js/test.js and build again
  • If any JS doesn't work its a bug! Please raise an issue