QuickJS Javascript Engine

News

Introduction

QuickJS is a small and embeddable Javascript engine. It supports the ES2023 specification including modules, asynchronous generators, proxies and BigInt.

It optionally supports mathematical extensions such as big decimal floating point numbers (BigDecimal), big binary floating point numbers (BigFloat) and operator overloading.

Main Features:

Benchmark

Online Demo

An online demonstration of the QuickJS engine with its mathematical extensions is available at numcalc.com. It was compiled from C to WASM/asm.js with Emscripten.

qjs and qjscalc can be run in JSLinux.

Documentation

QuickJS documentation: HTML version, PDF version.

Specification of the JS Bignum Extensions: HTML version, PDF version.

Download

Sub-projects

QuickJS embeds the following C libraries which can be used in other projects:

Links

Licensing

QuickJS is released under the MIT license.

Unless otherwise specified, the QuickJS sources are copyright Fabrice Bellard and Charlie Gordon.


Fabrice Bellard - https://bellard.org/