Shankar Yadav’s Post

Day 65/100 – Starting with Node.js 🚀 Learned: What Node.js is and how it allows JavaScript to run outside the browser Basic idea of the Event Loop and how Node handles multiple requests efficiently Introduction to Express and how it simplifies backend development What stood out: Node.js doesn’t work like traditional synchronous systems. Instead of waiting, it handles tasks asynchronously using the event loop, making it fast and scalable. #NodeJS #BackendDevelopment #JavaScript #LearningInPublic #100DaysOfCode

✨ Master JavaScript Array Destructuring for Cleaner Code Modern JavaScript lets you extract values in one line—making your code shorter, clearer, and easier to maintain. 🧠 Why it matters: Readable code = fewer bugs + faster development. ⚛️ If you’re using React, you’re already using destructuring (useState, useReducer). #JavaScript #FrontendDevelopment #WebDevelopment #ReactJS #CleanCode #ModernJS #SoftwareEngineering

When I first switched from JavaScript to TypeScript, I did what most devs do: I just added types everywhere and called it a day. ❌ type name = string type age = number type user = any ← this was my biggest mistake Using "any" completely defeats the purpose of TypeScript. You're just writing JavaScript with extra steps. Here's what changed everything for me: 🔹 Use "unknown" instead of "any" — it forces you to handle types safely 🔹 Use Union types to model real-world data: type Status = 'active' | 'inactive' | 'pending' 🔹 Use "as const" to lock down literal values and stop magic strings 🔹 Let TypeScript INFER types when it can — don't over-annotate 🔹 Use Utility Types (Partial<T>, Pick<T>, Omit<T>) — they save hundreds of lines The moment I stopped fighting TypeScript and started thinking in types, my code quality jumped overnight. TypeScript isn't just about catching bugs. It's about making your intent clear to every developer who reads your code after you. What's the one TypeScript trick that levelled you up? 👇 #TypeScript #JavaScript #WebDevelopment #Frontend #SoftwareEngineering #MERN #CleanCode

Most developers avoid TypeScript. Here's why that's a mistake. 🧵 I used to think TypeScript was just "extra work." Then I spent 3 hours debugging a production bug... ...that TypeScript would have caught in 3 seconds. 😅 The real difference? JavaScript: ❌ No type safety ❌ Runtime errors ❌ Hard to debug TypeScript: ✅ Full type safety ✅ Catch errors early ✅ Clean & scalable If you're building anything serious in 2026 — TypeScript isn't optional anymore. It's just professionalism. Are you still writing plain JavaScript? Drop a comment 👇 #TypeScript #JavaScript #WebDevelopment #NextJS #FullStackDeveloper #ReactJS #NodeJS #100DaysOfCode #Programming #TechTips

I used to avoid TypeScript. "It slows me down," I said. "I know what type this is," I said. Then I spent 3 hours debugging a production bug that TypeScript would have caught in 3 seconds. Now I don't start a project without it. The friction at the start saves you from the chaos at the end. TypeScript or JavaScript — what do you reach for first? #TypeScript #FrontendDev #ReactDeveloper #WebDevelopment #JavaScript #SoftwareEngineering #TechLessons

Why TypeScript is a MUST in 2026 JavaScript is powerful. TypeScript makes it safe. 🛡️ 78% of production Node.js apps now use TypeScript — and here's why you should too: 🛡️ Type Safety — catch bugs at compile time, not at 3AM in production 🚀 IntelliSense — auto-complete and refactoring become superpowers 🤝 Team Scale — interfaces act as contracts, new devs read your code instantly The result? 40% fewer runtime errors vs plain JavaScript. TypeScript doesn't slow you down — it speeds you up by eliminating the debugging loops that eat your most productive hours. 💡 Still writing plain JS in 2026? This is your sign to switch. 👇 #TypeScript #JavaScript #WebDev #NodeJS #SoftwareEngineering #CodingTips #TechIn2026 #Dev

Most developers jump straight into React… But the real game-changer? 👉 Mastering JavaScript first. React is just a layer, the real power comes from understanding closures, async behavior, event loop, and how the browser actually runs your code. When you deeply understand JavaScript: • Debugging becomes easier • Performance thinking improves • Frameworks feel replaceable, not overwhelming I used to focus on “how to build in React” Now I focus on “how JavaScript works underneath” And suddenly… everything clicks. Frameworks will change. Concepts won’t. #JavaScript #ReactJS #WebDevelopment #FrontendDeveloper #CodingJourney #LearnToCode #DeveloperMindset

💡 Ever wondered what actually happens when you run TypeScript? As I continue diving deeper into TypeScript, I recently explored how the TypeScript compiler works internally, and it completely changed how I look at errors and code. Here’s a simple breakdown 👇 🔹 Lexer → Breaks code into tokens 🔹 Parser → Builds an Abstract Syntax Tree (AST) 🔹 Binder → Connects variables, scopes, and symbols 🔹 Checker → Validates types and catches errors 🔹 Emitter → Converts everything into JavaScript TypeScript doesn’t just “show errors” — it goes through a full pipeline to understand your code before telling you what’s wrong. Learning this made me realize: 1. Errors are not random; they’re the result of a structured process 2. Understanding the compiler helps you debug smarter 3. TypeScript is way more powerful than just “typed JavaScript.” #TypeScript #WebDevelopment #FrontendDeveloper #LearnInPublic #JavaScript #ReactJS #NextJS #ProgrammingJourney

Most devs add TypeScript to React by putting types on everything. Expert TypeScript has fewer annotations, not more. The real power isn't string and number on your props. It's discriminated unions that make impossible states unrepresentable, generic components that scale without duplication, and a useRef overload that most people have never seen explained properly. Here are 5 patterns that will change how you write TypeScript in React - from the basics most people get wrong to the advanced patterns that separate senior from mid-level code. Which pattern was new to you? Practice TypeScript interview questions with detailed solutions: https://lnkd.in/gUAHwVkm #TypeScript #React #JavaScript #FrontEnd #WebDevelopment #GreatFrontEnd #CodingInterview