Web3.js is a JavaScript library that implements the JSON RPC specification of Ethereum. This library allows you to interact with a local or remote Ethereum node, using an HTTP or IPC connection. The following recipe will guide you through installing and configuring web3.js, as well as provide examples to use in your Decentralized Application (DApp).
Installing and configuring web3.js
Getting ready
Since the library is written in JavaScript and distributed via npm, you will need Node.js installed on your machine to use the library. Bower and Meteor versions are also available and you need to have the respective tools to download them.
There are two web3.js releases in use: 0.2x.x, which is the current stable version, and 1...