Use useImperativeHandle for Direct Control in React

🤔𝗪𝗵𝘆 𝗱𝗼𝗲𝘀 𝗮 𝗽𝗮𝗿𝗲𝗻𝘁 𝗲𝗹𝗲𝗺𝗲𝗻𝘁 𝗿𝗲𝗮𝗰𝘁 𝘄𝗵𝗲𝗻 𝘆𝗼𝘂 𝗼𝗻𝗹𝘆 𝗰𝗹𝗶𝗰𝗸𝗲𝗱 𝘁𝗵𝗲 𝗰𝗵𝗶𝗹𝗱? No duplicate listeners. No unexpected code. 👉 Is there any Bug? 👉 Or JavaScript working exactly as designed? That's due to concept of 𝗘𝘃𝗲𝗻𝘁 𝗕𝘂𝗯𝗯𝗹𝗶𝗻𝗴 & 𝗘𝘃𝗲𝗻𝘁 𝗖𝗮𝗽𝘁𝘂𝗿𝗶𝗻𝗴. 🚀 𝗘𝘃𝗲𝗻𝘁 𝗕𝘂𝗯𝗯𝗹𝗶𝗻𝗴 & 𝗘𝘃𝗲𝗻𝘁 𝗖𝗮𝗽𝘁𝘂𝗿𝗶𝗻𝗴 Every DOM event follows a 3-phase lifecycle: • 𝗖𝗮𝗽𝘁𝘂𝗿𝗶𝗻𝗴 𝗣𝗵𝗮𝘀𝗲 → Event travels from 𝘸𝘪𝘯𝘥𝘰𝘸 → 𝘵𝘢𝘳𝘨𝘦𝘵 • 𝗧𝗮𝗿𝗴𝗲𝘁 𝗣𝗵𝗮𝘀𝗲 → Event reaches the clicked element • 𝗕𝘂𝗯𝗯𝗹𝗶𝗻𝗴 𝗣𝗵𝗮𝘀𝗲 (𝗱𝗲𝗳𝗮𝘂𝗹𝘁) → Event bubbles back 𝘵𝘢𝘳𝘨𝘦𝘵 → 𝘸𝘪𝘯𝘥𝘰𝘸 𝟭. 𝗘𝘃𝗲𝗻𝘁 𝗕𝘂𝗯𝗯𝗹𝗶𝗻𝗴 (𝗗𝗲𝗳𝗮𝘂𝗹𝘁 𝗕𝗲𝗵𝗮𝘃𝗶𝗼𝗿) • Event starts from the 𝗰𝗵𝗶𝗹𝗱 𝗲𝗹𝗲𝗺𝗲𝗻𝘁 • Then moves 𝘂𝗽𝘄𝗮𝗿𝗱𝘀 𝘁𝗼 𝗽𝗮𝗿𝗲𝗻𝘁 𝗲𝗹𝗲𝗺𝗲𝗻𝘁𝘀 📌 Example output when clicking button: • Child Clicked • Parent Clicked 👉 This is why parent handlers get triggered automatically 𝟮. 𝗘𝘃𝗲𝗻𝘁 𝗖𝗮𝗽𝘁𝘂𝗿𝗶𝗻𝗴  • Event starts from the 𝗼𝘂𝘁𝗲𝗿𝗺𝗼𝘀𝘁 𝗲𝗹𝗲𝗺𝗲𝗻𝘁 (𝘄𝗶𝗻𝗱𝗼𝘄) • Travels 𝗱𝗼𝘄𝗻 𝘁𝗼 𝘁𝗵𝗲 𝘁𝗮𝗿𝗴𝗲𝘁 𝗲𝗹𝗲𝗺𝗲𝗻𝘁 👉 Enabled using: addEventListener('click', handler, true) 📌 Example output: • Parent Clicked (Capturing) • Child Clicked 𝟯. 𝗛𝗼𝘄 𝘁𝗼 𝗦𝘁𝗼𝗽 𝗜𝘁 (𝗩𝗲𝗿𝘆 𝗨𝘀𝗲𝗳𝘂𝗹 𝗶𝗻 𝗥𝗲𝗮𝗹 𝗔𝗽𝗽𝘀) Sometimes you DON’T want parent logic to run. 👉 Use: 𝘦𝘷𝘦𝘯𝘵.𝘴𝘵𝘰𝘱𝘗𝘳𝘰𝘱𝘢𝘨𝘢𝘵𝘪𝘰𝘯() 📌 Result: • Only child handler runs • Parent never receives the event 𝗥𝗲𝗮𝗹 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗜𝗻𝘀𝗶𝗴𝗵𝘁 • Bubbling is powerful for 𝗲𝘃𝗲𝗻𝘁 𝗱𝗲𝗹𝗲𝗴𝗮𝘁𝗶𝗼𝗻 • Capturing is useful for 𝗮𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗰𝗼𝗻𝘁𝗿𝗼𝗹 • Misunderstanding this → leads to 𝘂𝗻𝗲𝘅𝗽𝗲𝗰𝘁𝗲𝗱 𝗯𝘂𝗴𝘀 𝗙𝗶𝗻𝗮𝗹 𝗧𝗵𝗼𝘂𝗴𝗵𝘁 When multiple events fire… 👉 It’s not randomness 👉 It’s the event flow doing its job Master this → you debug UI issues 10x faster. #JavaScript #ReactJS #FrontendDevelopment #WebDevelopment #Hiring #TechCareers #AI #CodingTips #100DaysOfCode #LearnJavaScript #LearnInPublic #JavaScriptMastery

A lot of developers use hooks… but don’t fully understand when to use what — and that’s where bugs, re-renders, and messy code start creeping in. Let’s simplify it 👇 🔹 useState → Stores your component’s data Think: counters, form inputs, toggles Every update triggers a re-render 🔹 useEffect → Runs after render Perfect for: API calls, subscriptions, DOM updates This is where your side-effects belong 🔹 useMemo → Optimizes performance Prevents unnecessary recalculations Only runs when dependencies change 💡 Here’s the real game-changer: It’s not about knowing hooks… It’s about choosing the right hook for the right job. Because: 👉 Wrong usage = cluttered logic + performance issues 👉 Right usage = clean code + faster apps #ReactJS #ReactHooks #JavaScript #FrontendDevelopment #WebDevelopment #CodingLife #Developers #LearnToCode #Programming #TechContent #UIDevelopment #SoftwareDevelopment #CodeNewbie #WebDev #CodingCommunity #JSDeveloper #FrontendDe

I spent 3 months confused by React. Then I learned Hooks — and everything finally clicked. Most tutorials throw you into class components and lifecycle methods. It's overwhelming. But Hooks changed everything — they made React actually fun to write. Here's the complete mental map I wish I had on day one: ⚡ useState — add local state to any function component ⚡ useEffect — handle side effects (API calls, subscriptions) 🔵 useRef — access DOM elements & persist values without re-rendering 🔵 useContext — share data across the component tree 🟡 useMemo — cache expensive calculations 🟡 useCallback — memoize functions to prevent unnecessary re-renders 🟢 useReducer — manage complex state with reducer logic 🟢 useLayoutEffect — like useEffect, but fires before paint 5 tips to go from beginner → advanced: Master useState & useEffect DEEPLY before moving on Build custom hooks — extract logic you reuse (e.g. useWindowSize) Think in data flow — hooks work best when you understand how state moves Optimize wisely — reach for useMemo/useCallback only when you actually need them Keep building. Real projects teach what tutorials can't. Hooks aren't just syntax — they're a new way of thinking about UI logic. If you're just starting out: be patient with yourself. The mental model takes time. Once it lands, you'll wonder how you ever coded without them. Save this post — it'll make sense in ways it doesn't yet. 🔖 Which Hook was the hardest for you to wrap your head around? Drop it below 👇 #ReactJS #WebDevelopment #JavaScript #Frontend #ReactHooks #Coding #LearnToCode #SoftwareEngineering #100DaysOfCode

⚛️ 𝐂𝐨𝐧𝐟𝐮𝐬𝐞𝐝 𝐚𝐛𝐨𝐮𝐭 𝐑𝐞𝐚𝐜𝐭 𝐡𝐨𝐨𝐤𝐬? 𝐘𝐨𝐮’𝐫𝐞 𝐧𝐨𝐭 𝐚𝐥𝐨𝐧𝐞. A lot of developers use hooks… but don’t fully understand when to use what — and that’s where bugs, re-renders, and messy code start creeping in. Let’s simplify it 👇 🔹 useState → Stores your component’s data Think: counters, form inputs, toggles Every update triggers a re-render 🔹 useEffect → Runs after render Perfect for: API calls, subscriptions, DOM updates This is where your side-effects belong 🔹 useMemo → Optimizes performance Prevents unnecessary recalculations Only runs when dependencies change 💡 Here’s the real game-changer: It’s not about knowing hooks… It’s about choosing the right hook for the right job. Because: 👉 Wrong usage = cluttered logic + performance issues 👉 Right usage = clean code + faster apps Master this, and React starts feeling a lot more predictable 🚀 🔔 Follow for more practical dev content: YouTube: https://lnkd.in/gxxaWAqX Instagram: https://lnkd.in/gcT6YUnD #ReactJS #ReactHooks #JavaScript #FrontendDevelopment #WebDevelopment #CodingLife #Developers #LearnToCode #Programming #TechContent #UIDevelopment #SoftwareDevelopment #CodeNewbie #WebDev #CodingCommunity #JSDeveloper #FrontendDev #100DaysOfCode #BuildInPublic #DevWithRishabh

React Learning Series | Contd... #Day23: useRef : Refreshing the basics. 👉 A ref is a mutable object that persists across re-renders 👉 Unlike variables inside components, it is NOT recreated on every render 👉 You access it via ref.current ✅ const ref = useRef({ testId: 123 }); 💡 Key difference vs State: • ref → mutable, synchronous, NO re-render • state → immutable, async, triggers re-render 🚫 Don’t use refs when: ❌ You need UI updates ❌ You want to pass data as props 👉 Think of refs as an escape hatch, not a data store. ⚠️ Important: 🔴 Refs are assigned only after the DOM is rendered. 🔁 Passing refs to child components: 1️⃣ As prop (manual way) 2️⃣ Using forwardRef (clean & scalable way) #React #JavaScript #Frontend #WebDevelopment #SoftwareEngineering

🚀 Day 11 / 21 — Frontend Challenge Today I built: 👉 Quiz App 🧠 Flow I designed before coding: Data Structuring: Stored questions, multiple-choice options, and correct answers within an array of objects. Display Logic: Used a loop to render one question at a time to keep the UI clean and focused. Validation & Scoring: Implemented logic to check the user's selected radio button. If correct, the score is updated; otherwise, it remains the same. Time Management: Integrated a 30-second timer using setInterval. If the time runs out, the app automatically moves to the next question. Final Result: Once all questions are answered (or the index ends), the app hides the quiz and displays the final Scorecard. 🛠 Tech Used: HTML | CSS | JavaScript ✨ Features: Single Question View: Enhances focus by showing only one question at a time. Interactive Timer: A countdown for each question adds a layer of challenge. Real-time Submission: Users select an answer and submit to see their progress. Comprehensive Scorecard: Displays the final results at the end of the session. 🚧 Challenges Faced: The most difficult part was managing the timer alongside the question index. I had to ensure that when a user manually submitted an answer, the old timer was cleared and a fresh 30-second clock started for the next question. Handling edge cases like "No option selected" and ensuring the timer didn't keep running after the final question was essential for a bug-free experience. 💡 Key Learning: Planning before coding makes development faster & cleaner. Dealing with setInterval and clearing intervals is a critical skill when building time-sensitive applications. 🙏 Guidance by: Keyur Gohil 🏫 Learning at: Red & White Skill Education Official 📂 GitHub Repo: https://lnkd.in/dAktRumy #21DaysJSWithKeyur #RedandWhite #Skill #JavaScript #FrontendDevelopment #BuildInPublic #WebDevelopment #QuizApp #CodingChallenge

Mastering Optional Chaining in JavaScript🚀 Ever had your app crash because of a TypeError: Cannot read properties of undefined? We’ve all been there. 🛑 When working with deeply nested objects, checking for every level of a property (e.g., user && user.company && user.company.address) can make your code messy and hard to maintain. - Why Optional Chaining (?.) is a Game-Changer: - Prevents Crashes: Instead of throwing an error when a property is missing, it safely returns undefined. - Cleaner Code: It replaces long chains of logical && operators with a single, readable syntax. - Increased Robustness: Your application becomes more resilient when dealing with dynamic data or API responses that might have missing fields. As shown in the visual guide, switching from "Risky Code" to "Safe Code" ensures that your logic remains intact without the need for constant null checks. - Is optional chaining a staple in your workflow, or do you still prefer traditional null checks? Let’s discuss in the comments! 👇 #JavaScript #WebDevelopment #CodingTips #CleanCode #Programming #FrontendDevelopment #SoftwareEngineering #JSTips #TechTutorial #AbhishekRanjan

#ProfessionalDevelopment   #FrontendBasics  Question:   What is the ternary operator, and how is it used? Answer: In JavaScript, an operator is a symbol or keyword used to perform operations on values or variables, known as operands. When combined, operators and operands form expressions that evaluate to a result, such as 3 + 7 or assigning a value to a variable. JavaScript includes many types of operators, such as arithmetic, comparison, logical, and assignment operators. The ternary operator, also known as the conditional operator, is unique because it uses three operands instead of two. The ternary operator provides a concise way to write conditional logic and follows this syntax: condition ? expressionIfTrue : expressionIfFalse It evaluates a condition and returns one of two values depending on whether the condition is truthy or falsy. Because it returns a value, the ternary operator can be used directly within expressions. This makes it especially useful for inline assignments or conditional rendering in UI code, where a value needs to be determined quickly based on a condition. The ternary operator works best for simple, readable conditions. While it can be nested, doing so often reduces readability and increases the likelihood of mistakes. For more complex logic, a traditional if...else statement is usually the better choice for maintainability. --- *Question answers come from research, rewrites, and refinement.* --- Reference:   https://lnkd.in/eYf-cKn8  Additional Research:   MDN Web Docs   Wikipedia   General Web Research  --- Happy coding, y’all! 👨🏿💻  #JavaScript #WebDevelopment #FrontendDevelopment #SoftwareEngineering #Coding #LearnToCode #100DaysOfCode #DevCommunity #TechCareers #Programming #DeveloperLife #CodeNewbie #CareerGrowth #ContinuousLearning

I will never forget these projects ! 🤔 Date: 20/4/2026 Friends! Today, I attempted two medium-level (45-minute) machine coding round challenges. 😎 These challenges are designed to be solved in 45 minutes, but I took 1 to 1.5 hours to complete them. 🤣 🤣 In the first project, the 'Undoable Counter,' the challenging parts were: 👉 Maintaining history 👉 Implementing Undo and Redo functionality In the second project, a 'Shopping List,' the features were: 👉 A search bar with auto-suggestions like a search engine (e.g., Google) 👉 Checked/Unchecked and delete functionality You think these are easy, and yes, they are—if you have enough time ! 🙂 However, with a time limit, you aren't just writing logic; you are also building the UI, handling edge cases, and fixing bugs. 🤔 #heycoderji #WebDevelopment #ReactJS, #MachineCoding #100DaysOfCode

I Built My Own React Practice Lab 🚀 I spent the last few months doing something different: moving from "Writing Code" to truly understanding state. Most tutorials show you the result. Mine shows you the mechanics. What I Built: → A custom State Watcher that visualizes how state flows in real-time → A Registry System to isolate and master every complex React pattern → 10+ interactive demos covering everything from useEffect to Redux What You Get: ✅ Core Fundamentals (Props, Mapping, Component Architecture) ✅ Hooks Mastery (useEffect, useMemo, useRef, and more) ✅ Global State (Redux Toolkit, RTK Query, Auth patterns) ✅ Advanced Routing (React Router 6.4+ with Data Loaders & Nested Routes) This lab is the interactive engine behind my React Learning Portal—built to make the "hard parts" visible and intuitive. Know someone stuck on React? Share this with them. What React concept gave you the most trouble? Drop it in the comments 👇 🔗 Try the Live Lab: https://lnkd.in/dJ5X--4u 📖 Explore the Hub: https://lnkd.in/dkMYXNrh #ReactJS #WebDevelopment #Frontend #Redux #LearningByDoing #React #Saylani #SMIT