Ethers.js Listen to Events - Ethersjs Typing CST Test
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Ethers.js Listen to Events — Ethersjs Code
Subscribe to a contract event and log it in real-time.
const { ethers } = require('ethers')
const provider = new ethers.JsonRpcProvider('http://127.0.0.1:8545')
const contract = new ethers.Contract('0xYourContractAddress', abi, provider)
contract.on('ValueChanged', (newValue) => {
console.log('Value changed:', newValue)
})Ethersjs Language Guide
Ethers.js is a lightweight, complete JavaScript library for interacting with the Ethereum blockchain, providing tools for wallet management, smart contract interaction, and blockchain communication.
Primary Use Cases
- ▸Interacting with Ethereum smart contracts
- ▸Wallet management and transaction signing
- ▸Connecting to Ethereum nodes (mainnet, testnets)
- ▸Building frontend dApps
- ▸Reading blockchain state and events
Notable Features
- ▸Lightweight and modular
- ▸Supports TypeScript and JavaScript
- ▸Secure wallet and key management
- ▸ABI-based smart contract interaction
- ▸Integration with multiple Ethereum networks
Origin & Creator
Ethers.js was created by Richard Moore in 2015 to offer a more secure, user-friendly, and modular alternative to Web3.js for Ethereum development.
Industrial Note
Ethers.js is primarily used for Ethereum-based decentralized applications, including dApps, wallets, DeFi protocols, NFT platforms, and blockchain analytics tools.