What is V8 JavaScript engine

V8 is an open source high-performance JavaScript engine used by the Google Chrome browser, written in C++. It is also being used in the node.js project. It implements ECMAScript and WebAssembly, and runs on Windows 7 or later, macOS 10.12+, and Linux systems that use x64, IA-32, ARM, or MIPS processors. Note: It can run standalone, or can be embedded into any C++ application.

Practical Code Example

// Google Chrome V8 Engine Pipeline:
// 1. Parser: Generates Abstract Syntax Tree (AST)
// 2. Ignition: Fast byte-code interpreter
// 3. Sparkplug: Fast baseline compiler
// 4. TurboFan: Optimizing JIT compiler that generates fast native machine instructions