WebAssembly (WASM)
WebAssembly (WASM) is a binary instruction format for a stack-based virtual machine, designed as a portable compilation target for multiple programming languages. It enables high-performance applications to run on the web.
What You'll Learn
This guide takes you from zero to productive WASM skills:
| Chapter | Topic | Difficulty |
|---|---|---|
| 1 | Getting Started | Beginner |
| 2 | Core Concepts | Intermediate |
| 3 | JavaScript Integration | Intermediate |
| 4 | Advanced Topics | Advanced |
Why WebAssembly?
- Near-native performance — Run code at near-native speed
- Language-agnostic — Compile from C, C++, Rust, Go and more
- Secure by design — Sandboxed execution environment
- Universal platform — Supported in all modern browsers
Quick Preview
javascript
// Load and use a WASM module in JavaScript
const response = await fetch('/module.wasm');
const bytes = await response.arrayBuffer();
const { instance } = await WebAssembly.instantiate(bytes);
const result = instance.exports.add(1, 2);
console.log(result); // 3Chapter Contents
Chapter 1: Getting Started
Learn the basics of WebAssembly and set up your development environment.
Chapter 2: Core Concepts
Understand core concepts: memory model, types, and call conventions.
Chapter 3: JavaScript Integration
Learn how to call WASM functions from JavaScript and vice versa.
Chapter 4: Advanced Topics
Explore multi-threading, garbage collection, WASI, and major frameworks.