In this chapter, we will cover the following recipes:

• Installing and configuring web3.js
• Using MetaMask as an injected provider
• Managing accounts and sending transactions
• Compiling and deploying your smart contract
• Reading data from smart contracts
• Writing data into a smart contract
• Watching events from your DApp
• Sending a raw transaction
• Batch requests using web3.js
• Interacting with Ethereum using JSON-RPC
• Other ways to interact with your contract