React devs: State vs Variable in React 18

Senior React devs don’t memorize every hook. They understand when components re-render. Most real-world bugs I’ve seen come from: • unnecessary re-renders • overusing useEffect • memoizing without measuring Once you deeply understand: props changes state updates referential equality React becomes predictable and much easier to optimize. Don’t fight renders. Understand them. #react #frontend #javascript #webperformance #nextjs

⚛️ React JS Mistakes Developers Make React bugs don’t come from React — they come from bad patterns 👇 ❌ Mutating state directly ❌ Huge components ❌ Forgetting useEffect cleanup ❌ Leaving console logs in production ✅ Use state immutably ✅ Break UI into components ✅ Clean side effects ✅ Optimize only when needed 📈 Clean React = predictable UI + better performance. #ReactJS #FrontendDevelopment #WebDev #JavaScript #CodingTips

⚛️ Modern React Hooks Every Developer Should Know React has evolved far beyond useState and useEffect. If you’re building scalable, high-performance, and server-ready applications, these hooks are essential 👇 #ReactJS #ReactHooks #FrontendEngineering #WebDevelopment #JavaScript #React19 #PerformanceOptimization #UIEngineering

💡 React Tip: The useEffect Bug Most Developers Ship to Production If your useEffect: 1. Runs too often 2. Or doesn’t run when you expect Chances are, the dependency array is wrong. Missing dependencies = stale data Extra dependencies = unnecessary effects Rule of thumb: 👉 Every value used inside useEffect should either be: 1. In the dependency array, or 2. Intentionally excluded with a clear reason Ignoring this is how subtle bugs sneak into production. 💬 Comment “EFFECT” if you’ve faced this 🔖 Save this for later ➕ Follow for more React tips #ReactJS #FrontendDeveloper #WebDevelopment #JavaScript #DevTips

Recently, I had an interview for a React Developer role. Sharing the questions here in case it helps someone preparing for similar roles. Some of the questions they asked: 1. What is Authentication vs Authorization? 2 What is a Virtual DOM? How is a Virtual DOM created? 3. What is Palindrome? A string that reads the same forward and backward Example: madam, level 4. How JWT is used in real projects? 5 What is HOC (Higher Order Component) in React? Overall, the round was focused on practical understanding of React, JavaScript rather than just theory. #React #JavaScript #Redux #Frontend #InterviewExperience

One small React mistake that causes big production bugs 🚨 Mistake: Updating state directly. This: state.count = state.count + 1 Causes unexpected behavior and hard-to-track bugs. Correct way: setCount(prev => prev + 1) React depends on immutability. Small mistakes in React can become big production issues. 👉 Beginners, save this post. #ReactJS #JavaScript #Frontend #CodingTips

🚀 Exploring React.js Day 1️⃣ : What is React? -React is a front-end JavaScript library. -React was developed by the Facebook Software Engineer Jordan Walke. -React is also known as React.js or ReactJS. -React is a tool for building UI components. #ReactJS #LearnReact #ReactConcepts #InterviewPreparation #ReactInterview #FrontendDeveloper #ExploreReact #JavaScript

Most React developers don’t misuse hooks… They just use them without clarity. useState re-renders. useRef doesn’t. That single difference can impact: ⚡ Performance 🧠 Code clarity 🔁 Component behavior Stop choosing hooks by habit. Start choosing them by purpose. Clean React isn’t about writing more code. It’s about making smarter decisions. Which one do you use more useState or useRef? 👇 For more information contact : https://lnkd.in/gNan5xMQ #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #ReactDeveloper #SoftwareEngineering #CleanCode #PerformanceOptimization #TechContent #100DaysOfCode #LearnToCode #ProgrammingTips #FullStackDeveloper #CodingLife #Developers #CrystalZenTechnology

5 React Hooks that separate juniors from seniors ⚛️ Stop memorising. Start understanding. Swipe through and level up your React game 🚀 #React #WebDevelopment #Frontend #JavaScript #CodingTips

React and Vue solve many of the same problems, but they encourage different ways of thinking. React leans into explicit state flow and composition, which scales well as applications and teams grow. Vue focuses on approachability and clear separation between template, logic, and state, making complex UIs easier to reason about early on. Understanding both isn’t about choosing sides — it’s about choosing the right trade-offs for the system you’re building. #ReactJS #VueJS #FrontendEngineering #JavaScript #WebArchitecture #SoftwareEngineering