web3.js - Ethereum JavaScript API

web3.js is a collection of libraries that allow you to interact with a local or remote ethereum node using HTTP, IPC or WebSocket.

The following documentation will guide you through installing and running web3.js as well as providing an API reference documentation with examples.

Note

Web3.js 4.x has been released. Checkout 4.x API documentation and migration guide for testing, early feedback and contributions.

Contents:

Keyword Index, Search Page

API Reference

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