Learn ETHERSJS with Real Code Examples

Install Node.js (for backend) or use browser environment

Run `npm install ethers` or `yarn add ethers`

Import library using ES modules or CommonJS

Configure provider (e.g., Infura, Alchemy, local node)

Test setup by reading a blockchain account balance

Install Node.js and npm/yarn

Install Ethers.js via npm or yarn

Configure provider URL (Infura, Alchemy, local node)

Load wallet private keys or use secure mnemonic

Test connectivity and balance retrieval

.env - provider keys and secrets

config.js - network URLs and wallet settings

abis/ - smart contract ABIs

scripts/ - deployment and utility scripts

package.json - dependencies and build scripts

npx hardhat run scripts/deploy.js

npx hardhat test

npx ts-node scripts/script.ts

node scripts/sendTransaction.js

npm run build

Documentation primarily in English

Community translations emerging

Global Ethereum ecosystem support

Type-safe operations compatible with all Unicode

Works with international wallets and networks

JavaScript/TypeScript friendly

Well-documented API

Browser and Node.js compatible

Secure defaults for wallets

Active community and tutorials

No built-in UI, integrates with React/Vue/Angular

Used with frontend frameworks for dApps

Can power dashboards and token UIs

Handles async updates for real-time blockchain state

Connects with MetaMask or WalletConnect

Wallet balances

Transaction nonces

Smart contract state

Event logs

Pending vs confirmed transactions

Blockchain data via provider

Transaction metadata

Contract storage variables

Event logs subscription

Off-chain JSON or database for frontend UI