Send your first Solana transaction - transferring SOL from one wallet to another. Understanding blockhashes, signatures, and confirmation.

Understanding Solana's account model - how data is stored, who owns it, and how to read it from JavaScript.

Understanding public keys, private keys, and wallets. Create your first Solana keypair and get devnet SOL.

Connect to Solana from Node.js and read your first data from the blockchain. No wallet needed - just JavaScript.

A no-hype introduction to Solana for JavaScript developers. What it actually is, why it matters for web apps, and what you can build with it.

A practical guide to browser animation timing. Learn what requestAnimationFrame actually does, why it beats setInterval, and how to use it properly.

When learning a functional programming style you will often come across the term Lambda Expressions or Lambda Functions. In simple terms they are just functions that can be used as data and therefore declared as a value. Let's explore a few examples.

Often you will need to check that you have a number before using it in your JavaScript, here's how.

Working with JavaScript Promises you have a couple of approaches to consider for interacting with the response. The Promise doesn't give you the response in the exact format you can work with, let's dive in and explore things.

JavaScript Promises are used in most modern web applications where we need to do some work that takes some time to complete. A popular example of this is fetching data from an API, where the result is needed to be displayed in your app.