Javascript

Developers, Feature

How To Build a dApp in Three Steps

In this technical tutorial, learn how to build a simple dApp that makes use of a Solidity smart contract, Chainlink Data Feeds, React, and Ethers.js.

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Developers

How To Build a Crypto Wallet

In this technical tutorial, you’ll learn the difference between multiple types of crypto wallets and how to build your own prototype.

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full-stack-blockchain-solidity-javascript
Developers, Feature

Learn Solidity, Full Stack Web3, Javascript, and Blockchain Development

A 30+ hour guide from Patrick Collins to get smart contract developers ramped up from zero to one hundred. Get the complete lesson breakdown.

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Banner for ChainSafe Receives Chainlink Community Grant to Natively Integrate Chainlink Into web3.js
Grants

ChainSafe Receives Chainlink Community Grant to Natively Integrate Chainlink Into web3.js

ChainSafe, a leading blockchain R&D firm, has been awarded a Chainlink Grant to natively integrate Chainlink into the web3.js library.

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Banner for The Chainlink Hardhat Starter Kit Now Supports TypeScript
Announcements, Developers

The Chainlink Hardhat Starter Kit Now Supports TypeScript

Explore the Typescript version of the Chainlink Hardhat Starter Kit, with new features including VRF v2.

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Developers

How to Display Crypto and Fiat Prices on a Frontend Using JavaScript or Solidity

Converting between crypto and fiat currencies like ETH and USD is simple with Chainlink Data Feeds on the frontend.

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ENS and Chainlink Data Feeds
Developers

How the Ethereum Name Service (ENS) and Chainlink Data Feeds Simplify the Smart Contract Developer Experience

ENS provides human-readable names for Ethereum addresses, offering users a simplified experience. Here’s how ENS works with Chainlink Data Feeds.

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Developers

How to Become a Smart Contract Developer

Discover the most popular smart contract programming languages, key technical skills, and go-to resources for learning how to build in the blockchain industry.

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ChainSafe web3.js Chainlink Grant
Grants

ChainSafe Receives Chainlink Community Grant to Provide Modern Web Support for web3.js

Development firm ChainSafe has received a Chainlink Community Grant to expand web3.js, the popular Ethereum JavaScript library.

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Developers

Testing Chainlink Smart Contracts

Due to the immutability of smart contracts, it’s crucial that they are tested thoroughly before they are deployed. When it comes to writing automated tests, developers have a couple of options: Solidity Tests, Javascript/Python/other language tests. Often, it’s useful to test contracts both ways, and you can see from this sample testing

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