Build Web3 applications with JavaScript
Everything you need to know about building blockchain applications with JavaScript
// Install ethers.js
npm install ethers
// Connect to Ethereum
import { ethers } from 'ethers';
const provider = new ethers.JsonRpcProvider('https://eth-mainnet.g.alchemy.com/...');
const balance = await provider.getBalance('0x...');Most popular. Lightweight, TypeScript-first, excellent docs. Recommended for new projects.
Older but battle-tested. Good for legacy projects. Larger bundle size.
Newest option. Minimal bundle, fast, low-level access. Used by Wagmi.
Use wagmi + RainbowKit for best developer experience.
Use vue-dapp or web3-vue for Vue 3 integration.
Use ngs-web3 or angular-web3 for Angular integration.