JavaScript Symbol Explained with React Example

🔥 Ace Your Next JavaScript Interview! 🔥 Ever been caught off guard by an interview question? 🚀 JavaScript interviews are notorious for throwing curveballs. But fear not, I've got the top 10 questions that might come your way! 📚 1. Explain the event loop. Can you? 2. What is hoisting? 3. Differentiate between `==` and `===`. 4. Explain closures in JavaScript. 5. What's the difference between var, let, and const? 6. What is a Promise? 7. Handling async operations? Tell me more! 🧩 8. AJAX vs Fetch API. 9. What’s your go-to debugging technique? ⚒️ 10. Why should we avoid using global variables? Nailing these can be your golden ticket! Soft skills matter too, but technical know-how is key. 💪 What question surprised you in your last interview? 🎤 #JavaScript #CodingInterviews #WebDev #TechTalk

📘 ReactJS Notes – PDF for Interview & Revision I’ve created well-structured ReactJS notes in PDF format covering core to advanced concepts in a simple and practical way. Perfect for quick revision, interviews, and beginners to intermediate learners. 🔹 Covers: --React Basics & JSX --Components & Props --State & Lifecycle --Hooks (useState, useEffect, etc.) --Conditional Rendering --Lists & Keys --Best Practices & Interview Tips Follow me: Mohit Kumar If you find this useful, like 👍, comment 💬, and repost 🔁 so more learners can benefit. #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #InterviewPreparation #MERN #MohitDecodes

🚀 List of Resources to Prepare For Your Next JavaScript/React Interview 🚀 ✅ List of 1000 JavaScript Interview Questions - https://lnkd.in/dUuSF3FC 📋 ✅ 37 Essential JavaScript Interview Questions - https://lnkd.in/g_Dna4Nq ✅ JavaScript Code Challenges - https://lnkd.in/dvbYw4-7 💡 ✅ 30 Seconds Of Interviews - https://lnkd.in/dMStyk_z ⏰ ✅ Front End Interview Handbook - https://lnkd.in/dy8z8zSj 📘 ✅ 500 ReactJS Interview Questions & Answers - https://lnkd.in/dJTkky4a 🤯 𝗙𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝘂𝘀𝗲𝗳𝘂𝗹 𝗰𝗼𝗻𝘁𝗲𝗻𝘁, 𝗱𝗼𝗻'𝘁 𝗳𝗼𝗿𝗴𝗲𝘁 𝘁𝗼 𝗳𝗼𝗹𝗹𝗼𝘄 𝗺𝗲. #javascript #reactjs #nextjs #webdevelopment

🚀 JavaScript Interview Questions – Part 2 Continuing the series with questions 11 onwards, focusing on real interview-level concepts every frontend developer should know. 📌 Save for revision 🔔 Follow for Part 3 #JavaScript #JavaScriptInterview #FrontendDeveloper #WebDevelopment #InterviewPreparation #CodingInterview #LearnJavaScript #DeveloperCommunity #TechCareers https://lnkd.in/gWpcg_xR

🔹 Check if an Array is Sorted or Not (JavaScript) This is one of the most common JavaScript array interview questions asked in DSA rounds and frontend interviews. 👉 Problem: How do you check whether an array is sorted in ascending order without using extra space? 💡 This question tests: Array traversal Logical thinking Edge case handling Time complexity understanding 📌 If you’re preparing for: JavaScript Interviews DSA Practice Frontend Developer Roles — you should definitely know this one. I’ve explained this question step by step as part of my Striver A-Z JavaScript DSA playlist. 👇 YouTube link shared in the comments.

If you’re preparing for frontend / full-stack interviews, JavaScript fundamentals are non-negotiable. I’ve been revisiting core concepts that recruiters actually ask about — from basics like ✅ var vs let vs const ✅ Closures & hoisting to advanced topics like ✅ Event loop ✅ Promises & async/await 📌 Strong fundamentals = confidence in interviews 📌 Confidence = better problem solving under pressure I’ve compiled 40 commonly asked JavaScript interview questions (from fundamentals to advanced) that can help you revise smartly and stand out in interviews. 👉 Save this post for later 👉 Share with someone preparing for interviews 👉 Comment “JS” and I’ll share my preparation strategy #JavaScript #WebDevelopment #Frontend #FullStack #InterviewPrep #Coding #Developers #Learning #TechCareers

Top React Interview Questions Asked by Real Companies. 🤔 --------Day 3/15 - Prepare React Interview Question---------- Yesterday, late at night, I researched the most asked React interview questions. Then I created a list of the top 30 React interview questions. Today, I practiced 10 questions. They are given below ⬇️ 1. What is React? Describe the features. 2. What is JSX and how does it work? 3. What is the difference between state and props in React? 4. What is the purpose of the key prop in React? 5. What is the difference between controlled and uncontrolled React Components? 6. Important Hooks - useState(), useEffect(), useMemo(), useReducer(), useContext(), useRef(), useCallback() 7. What are React Fragments used for? 8. What are error boundaries in React for? 9. What are React Portals used for? 10. What are higher order components in React? If you have any suggestions, please let me know in the comments. #ReactJS #JavaScript #WebDevelopment #FrontendDeveloper #ReactDeveloper #CodingLife #100DaysOfCode #LearnToCode #TechCommunity #ProgrammingLife #CodeNewbie #WebDev #SoftwareEngineering #DeveloperLife #FullStackDeveloper #ReactHooks #CodeTips #JSX #TechLearning #ReactHooks #heycoderji

🚀React.js Interview Cheatsheet - Your Quick Revision Guide! ⚛️ Preparing for a React.js interview? Here's a compact cheatsheet covering all key topics you should revise before the big day👇 ✅Core Concepts: Components, Props, State, JSX ✅Hooks: useState, useEffect, useContext, useRef ✅Lifecycle Methods & Functional Components ✅Virtual DOM & Reconciliation ✅Conditional Rendering & Lists ✅React Router & Navigation ✅Redux/Context API for State Management ✅Performance Optimization (memo, lazy, suspense) ✅Common Interview Questions & Best Practices 💡Whether you're a beginner or experienced dev, this guide will help you revise fast and smart! #ReactJS #Frontend Development #Interview Preparation #JavaScript #WebDevelopment #CheatSheet #ReactIntervie

Going through React interview topics and this checklist is really helpful for quick revision. I’m currently revising core React concepts like components, hooks, and routing while practicing small examples side by side. Sharing this for anyone else preparing for React / Frontend interviews.

🚀 JavaScript interviews in 2026 look very different. It’s no longer about memorizing syntax or random trivia. Interviewers now care about how you think, how you reason through code, and how you handle real-world scalability problems. That’s why this resource is worth your time: 📑 40 JavaScript Questions Recruiters Ask in 2026 What you’ll find inside the PDF: ✅ Must-know JavaScript fundamentals for frontend developers ✅ Advanced edge cases that often confuse even experienced devs ✅ Practical, easy-to-understand answers that focus on real usage—not just theory 💡 If you’re preparing for JavaScript interviews this year, this will give you a serious edge. 👉🏻 Swipe through the carousel and challenge yourself: How many of these can you confidently answer? Follow Bharat for more developer-focused content. #WebDevelopment #JavaScript #NodeJS #ReactJS #Angular #VueJS #ExpressJS #RESTAPI #FrontendDevelopment #BackendDevelopment #FullStackDeveloper #SoftwareEngineering #TechCareers #Programming #CodingLife #Developers #LearnToCode #JavaScriptInterview #DevCommunity