Boa (JavaScript engine)
Boa is an open-source JavaScript engine written in Rust.[2] Boa was introduced at JSConf EU 2019 by Jason Williams.[3][4] Williams created Boa in 2017 after working on Servo and being inspired by the "written from scratch" CSS engine.[5][4] He was eager to work on a JavaScript engine using Rust to learn more about how JavaScript implementations work, since then the project has had over 100 contributors.[3][6] Overtime the engine gained more prominent features such as bytecode compilation,[7] better conformance to the specification and ergonomic API design.[1] DesignBoa is an open-source implementation of a JavaScript execution engine. The project is developed as a Rust library for embedding the JavaScript engine in Rust applications. Additionally, the authors of Boa provide a command-line interface (CLI) for users to interact with Boa as standalone JavaScript interpreter accessible from a command line.[8] Boa follows the common interpreter design which approximately consists of a lexer, parser, compiler and bytecode interpreter[8] StandardsBoa implements the ECMA-262 specification (ECMAScript). As of 6 September 2024 Boa has 88% conformance to Test262[9] See also
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