Most beginners think Redux DevTools is just a fancy "console.log()". I thought the same. Until I actually started debugging a real feature in my React project. I had a simple flow: • User clicks a button • An action dispatches • The reducer updates the state • The UI re-renders Simple… right? But my UI was not updating correctly. So I started doing what every developer does: "console.log(action)" "console.log(state)" After a few minutes my console looked like a wall of logs. I still couldn't understand: • Which action caused the bug • What the previous state was • What exactly changed Then I opened Redux DevTools. And everything became clear instantly. Redux DevTools shows: • Every action that happened • The payload of that action • The previous state • The next state But the feature that completely changed how I debug Redux was Time Travel Debugging. You can literally move backward through your application's state history. Step by step. Click an action → see the state before it. Click the next action → see what changed. No guessing. No endless logs. Just a clear timeline of your application's state. This is the moment Redux finally clicked for me. Because Redux isn't just about state management. It's about predictable state changes. And Redux DevTools lets you see that predictability in action. If you're learning Redux right now, here's my advice: Don't just install Redux DevTools. Spend time understanding the action timeline. That's where Redux really starts making sense. #react #redux #webdevelopment #frontend #javascript #programming
Debugging Redux with DevTools: A Game Changer
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My laptop started heating up like crazy 🔥 VS Code was lagging every time I opened one of my projects… At first, I thought: “Maybe it’s just my system 🤷♂️” But then I paused and asked: 👉 How big is this project actually? 👉 How much code am I loading every time? So I did what every developer does… I built a tool 😄 🚀 Introducing gs-codecount - A simple npm package that helps you: - Count total lines of code - Analyze project size - Ignore unnecessary folders like node_modules Understand what’s actually slowing things down Turns out… the project was way bigger than I expected 👀 Sometimes the problem isn’t your laptop, it’s the amount of code you’re asking it to handle. 📦 Check it out : https://lnkd.in/gvaJKYeg Launch under Geeta Systems Would love your thoughts and suggestions 🙌 #buildinpublic #javascript #nodejs #developers #opensource #webdev
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🚀 Learning Redux – Store Configuration with Redux Toolkit After understanding core Redux concepts, I explored how to set up and configure the Redux store using Redux Toolkit. 🔹 What is the Redux Store? The store is the central place where the entire application state is stored. Every component can access data from this single source of truth. 🔹 configureStore() (Redux Toolkit) Redux Toolkit provides a powerful function called configureStore() which simplifies the process of creating and managing the store. 🔹 Why use configureStore()? Automatically enables Redux DevTools for debugging Comes with built-in middleware like Redux Thunk Reduces boilerplate code compared to traditional Redux Makes setup faster and cleaner 🔹 How it works: We combine different slices (reducers) into a single store, so the application state is organized and scalable. 📌 Example: import { configureStore } from "@reduxjs/toolkit"; import counterReducer from "./counterSlice"; const store = configureStore({ reducer: { counter: counterReducer, }, }); 🔹 Key Benefit: It helps manage multiple parts of the application state in a structured and maintainable way. 💡 Key takeaway: configureStore is the modern and recommended way to set up Redux — making it simple, efficient, and production-ready. React + Redux concepts now feel much more practical and real-world ready ⚛️💪 #ReactJS #Redux #ReduxToolkit #StateManagement #FrontendDevelopment #JavaScript #LearningInPublic #ReactJourney
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React State Management: Do This, Not That A common mistake I often see in React codebases is allowing child components to directly manipulate the parent’s state. Problematic Approach const [state, setState] = useState(); // setState(state + 1) inside child component This approach can lead to: Tight coupling between components Reduced reusability Harder debugging and maintenance ✅ Recommended Approach // Parent component const [state, setState] = useState(); // Pass callback to child <Child toggle={() => setState(prev => !prev)} /> In this pattern: The state remains owned by the parent The child component receives a callback function Components stay decoupled and easier to maintain Key Principle: State should live in the component that owns it, while child components interact with it through callbacks. Bonus Tip Prefer functional updates like: setState(prev => !prev) This helps prevent stale state issues and ensures updates are always based on the latest value. Small architectural decisions like this can significantly improve the scalability and maintainability of React applications. #ReactJS #WebDevelopment #JavaScript #FrontendDevelopment #CleanCode #Programming
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The React team calls useEffect an "escape hatch." Not a lifecycle method. Not a data fetching tool. An escape hatch - specifically for syncing with systems outside of React. Yet, most codebases use it for everything else: ❌ Computing derived values → (Should be done during render) ❌ Resetting state on prop changes → (Should use the key prop) ❌ Calling parent callbacks → (Should happen in event handlers) React 18 made the problem impossible to ignore. Strict Mode now fires effects twice in development. If your logic breaks on that second run, your effect was always buggy - it just didn't have a mirror held up to it yet. React 19 (and the Compiler) removes the last excuse. The compiler handles memoization automatically. You can no longer blame "unstable references" for needing an effect to "watch" a dependency that shouldn't have changed. The Golden Rule: If everything inside your effect is already managed by React, you don't need an effect. useEffect is for talking to the "outside world" (APIs, manual DOM, subscriptions). What’s the most "creative" useEffect misuse you’ve encountered? 👇 #Frontend #JavaScript #ReactJS
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🚀 Redux in One Post — A Complete Cheat Sheet for React Developers If you're building scalable React applications, understanding Redux is a game changer. Many developers struggle with state management, but Redux makes it easier to manage application data in a predictable and structured way. Here’s a quick breakdown from the cheat sheet 👇 💡 Core Redux Concepts • Store → Central place where application state lives • Action → Describes what happened • Reducer → Updates the state based on action • Dispatch → Sends action to reducer • Selector → Reads data from the store ⚡ Redux Data Flow UI → Dispatch Action → Reducer → Store Update → UI Re-render ✨ Modern Development Tip Instead of traditional Redux, most developers now prefer Redux Toolkit because it: ✔ Reduces boilerplate code ✔ Improves code readability ✔ Makes state management easier 📌 If you're learning React or Full Stack Development, mastering Redux can significantly improve your ability to build large-scale applications. 💬 Developer Question Do you prefer managing state with: 1️⃣ Redux Toolkit 2️⃣ Context API 3️⃣ Zustand / Other libraries 👇 Share your thoughts. #ReactJS #Redux #WebDevelopment #FrontendDevelopment #FullStackDeveloper #JavaScript #Programming #SoftwareEngineering #DeveloperCommunity #Coding
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🚀 New Project: To-Do List using React + Redux Toolkit I built a To-Do List application to strengthen my understanding of React state management using Redux. This project helped me practice key concepts like: • Redux Store • Redux Toolkit • createSlice • State management in React • React-Redux integration Redux Toolkit simplifies Redux development by reducing boilerplate code and providing useful utilities for managing application state. 🔧 Tech Stack: React.js | Redux | Redux Toolkit | JavaScript | CSS ✨ Features: • Add tasks • Delete tasks • Completed tasks are displayed with a strikethrough line. • Manage tasks with centralized Redux state • Clean and simple UI 📂 GitHub Repository: https://lnkd.in/dtWFDa6D This project helped me understand how Redux manages global state efficiently in React applications. #React #Redux #ReduxToolkit #WebDevelopment #FrontendDevelopment #JavaScript #LearningInPublic
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A closure isn't a concept to memorize. It's something your code is already doing. Most developers hear the word "closure" and immediately feel behind. They're not. They've been writing closures since day one. Take a look at the image below. That inner function has no variable of its own — but it remembers the one from the outer scope, even after the outer function has finished running. Not a copy. A live reference. Which is why the value keeps updating across calls instead of resetting to zero. That's the whole mechanism. That's a closure. You've already used this pattern without knowing the name: → Debounce and throttle utilities → Event handlers that track state between calls → React's useState — built on this exact idea The concept was never the hard part. The word made it sound harder than it is. Once you see it — you'll start spotting closures in code you wrote years ago. #JavaScript #WebDev #FrontendDevelopment #ReactJS #Programming
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🚀 React Redux vs Redux Toolkit — Which One Should You Use? If you're working with state management in React, you've probably come across both React Redux and Redux Toolkit. 🔹 React Redux ✔️ More manual setup ✔️ Requires writing boilerplate code ✔️ Full control over configuration ✔️ Good for understanding core Redux concepts 🔹 Redux Toolkit ✔️ Simplified and faster setup ✔️ Built-in features (like createSlice, configureStore) ✔️ Less boilerplate code ✔️ Recommended by the Redux team #ReactJS #Redux #ReduxToolkit #WebDevelopment #FrontendDevelopment #JavaScript #Coding #DeveloperJourney
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🚀 6 React Hooks that changed how I write code — and will change yours too. If you're still confused about when to use what, here's the simplest breakdown: 🔵 useState → Store & update values. Every re-render starts here. 🌐 useEffect → Talk to the outside world (APIs, DOM, subscriptions). 📦 useRef → Hold a value WITHOUT triggering a re-render. A hidden drawer for your data. 🧠 useCallback → Memoize functions so they don't get recreated on every render. ⚡ useMemo → Cache expensive calculations. Only recompute when dependencies change. 🌍 useContext → Share state globally. No more prop drilling through 5 layers. The moment these clicked for me, my components became cleaner, faster, and way easier to debug. Which hook took you the longest to truly understand? Drop it in the comments 👇 #ReactJS #WebDevelopment #JavaScript #Frontend #Programming #React #SoftwareEngineering #100DaysOfCode #CodeNewbie #TechEducation #FrontendDeveloper #ReactHooks
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Most React tutorials are still teaching 2020 patterns. In 2026, the ecosystem has shifted dramatically: React 19 is stable, the compiler handles most memoization automatically, and useEffect should be a last resort — not your go-to for data fetching, derived state, or event responses. This guide walks you from project setup to production-ready patterns, with a cheat sheet you can bookmark. #react #web #frontend #next #frontend #performance #javascript #tips #typescript #nextjs
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