March 2018
Beginner to intermediate
656 pages
20h 9m
English
Content preview from Mastering Blockchain - Second Edition
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The HTML and JavaScript frontend
It is desirable to interact with the contracts in a user-friendly manner via a web page. It is possible to interact with the contracts using the web3.js library from HTML/JS/CSS-based web pages. The HTML content can be served using any HTTP web server, whereas web3.js can connect via local RPC to the running Ethereum client (geth) and provide an interface to the contracts on the blockchain. This architecture can be visualized in the following diagram:
web3.js, frontend, and blockchain interaction architecture
If web3.js is not already installed, use these steps; otherwise, move to the next step.