JavaScript engine and runtime

Web 引擎大致由 JavaScript 引擎、渲染引擎、HTML 解析器、网络堆栈、各种媒体编码器、图形引擎、布局引擎等组成

JavaScript engine

• V8
  • Chromium
• JavaScriptCore
  • Safari
• SpiderMonkey
  • Firefox
  • c++, rust
  • https://spidermonkey.dev/
• hermes
  • A JavaScript engine optimized for running React Native
• Boa
  • https://boajs.dev/
  • https://github.com/boa-dev/boa

JavaScript runtime

• nodejs
  • c++, v8
• deno
  • rust, v8
• bun
  • zig, jsc

Browser engine

Web engine /layout engine / rendering engine

• Blink
  • Chromium
  • forked WebKit
• WebKit
  • Safari
• Gecko
  • Firefox
  • https://firefox-source-docs.mozilla.org/mobile/android/geckoview/contributor/geckoview-architecture.html