All the JavaScript tutorials ⤵️
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Build a Solana Copy Trading Bot That Mirrors Whale Wallets
I built a bot that watches profitable Solana wallets and copies their trades automatically. Here's how it works and what I learned running it.
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Arbitrage on Solana: Find Price Gaps Between DEXs with Node.js
I wrote a script that scans Raydium and Orca for the same token pair and flags when prices diverge enough to profit. Here's the full code.
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How to Decode Solana Program Logs Like a Pro
Solana program logs look like noise until you know what to look for. Here's how I extract useful data from logs — swap amounts, errors, and custom events — using @solana/web3.js.
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Build a Solana Token Sniper Bot with JavaScript
I built a basic Solana sniper bot that detects new liquidity pools and executes buys within seconds. Here's the full breakdown with working code.
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Monitor Any Solana Wallet in Real-Time with Node.js
Stop polling RPCs every 5 seconds. Here's how I track Solana wallet activity in real-time using WebSockets and @solana/web3.js — with actual working code.
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WebSockets in Node.js — A Practical Guide
HTTP is great for most things but sometimes you need real-time data. Here's how I set up WebSockets in Node.js without overcomplicating it.
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Zod Is the Best Thing That Happened to My TypeScript Code
I used to write manual type guards and validation logic everywhere. Then I found Zod and I'm never going back.
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Building APIs That Don't Make You Want to Quit
API design doesn't have to be painful. Here are practical patterns I follow to keep my REST APIs clean, predictable, and easy to work with.
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The Stack I Use for Every New Project in 2026
After years of trying different tools and frameworks, here's what I actually reach for when starting something new.
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Understanding Closures in JavaScript (With Real Examples)
Closures are one of the most powerful features of JavaScript. Here’s what they are, how they work, and when to use them with practical examples.