Harshit Keshari’s Post

Unpopular Opinion: Junior Developers Should NOT Start With React This might sound controversial, but I see it often. Many beginners jump directly into frameworks like React or Next.js without understanding the problems those tools solve. Before React, you should understand: • How the DOM works • Event handling in JavaScript • State and data flow in vanilla JavaScript • Basic rendering logic Before using a framework, ask: Why was this framework created in the first place? React exists to solve problems like: Complex UI state management Efficient DOM updates (Virtual DOM & reconciliation) Component-based architecture Similarly, understanding concepts like Server-Side Rendering (SSR) makes frameworks like Next.js much easier to appreciate. The Same Applies to Styling Before using utility frameworks like Tailwind CSS, you should understand: Flexbox Grid Positioning The CSS box model Otherwise you end up copying classes without understanding layout behavior. The Real Point Frameworks are powerful. But they make far more sense when you understand the problems they were designed to solve. Strong fundamentals make learning any framework faster. Weak fundamentals make every framework confusing. Do you think beginners should start with fundamentals first, or jump straight into frameworks? #FrontendDeveloper #ReactJS #WebDevelopment #JavaScript #SoftwareEngineering #Developers #TechCareers

🚀 JavaScript Developer Roadmap – From Basics to Advanced JavaScript is the heart of modern web development. From creating interactive websites to building full-stack applications, mastering JavaScript opens the door to countless opportunities in tech. This roadmap highlights the essential steps to become a JavaScript developer: 🔹 JavaScript Basics (Variables, Data Types, Functions, Loops) 🔹 DOM Manipulation & Event Handling 🔹 ES6+ Features (Arrow Functions, Destructuring, Template Literals) 🔹 Asynchronous JavaScript (Callbacks, Promises, Async/Await) 🔹 Working with APIs (Fetch, JSON) 🔹 Advanced Concepts (Closures, Event Loop) 🔹 Frameworks & Tools (React, Vue, Angular, Node.js) 🔹 Build Real Projects 💡 Tip: The best way to master JavaScript is by building projects and solving real-world problems. What part of the JavaScript journey are you currently learning? 👨💻👇 #JavaScript #WebDevelopment #FrontendDevelopment #FullStackDevelopment #Programming #Coding #DeveloperRoadmap #LearnJavaScript #SoftwareDevelopment #TechLearning #CodingJourney #MERNStack #TechCareer

🚀 JavaScript vs React.js – What’s the Real Difference? As a web developer, one of the most common questions is: 👉 Should I focus on JavaScript or React.js? 🔶 JavaScript is the core programming language of the web. It handles: 🔹 Logic & Functionality 🔹 DOM Manipulation 🔹 API Handling 🔹 Dynamic Interactions 🔶 React.js is a powerful JavaScript library used for: 🔹 Building Reusable Components 🔹 Creating Modern UI 🔹 Managing State with Hooks 🔹 Fast Rendering using Virtual DOM 💡 The Reality: 🔹 React.js runs on JavaScript. 🔹 You can’t master React without understanding JavaScript first. 🔥 So which one is best? It’s not about “vs” — it’s about “with”. JavaScript builds the foundation, React builds scalable and modern interfaces on top of it. As a passionate developer, I believe learning both strategically opens the door to strong frontend development and better opportunities. #JavaScript #ReactJS #WebDevelopment #FrontendDeveloper #CodingJourney #LearnToCode #TechGrowth #LearnReactjs #LearningInPublic #InterviewQ

🚀 JavaScript Topics Every Frontend Developer MUST Master! Are you learning web development but feeling lost on what to focus on? Here's the truth — you don't need to learn everything. You just need to master the RIGHT things. 💡 Here are the 8 JavaScript areas that will take you from confused beginner to confident developer: ━━━━━━━━━━━━━━━━━━━━━━ 1️⃣ DOM Manipulation → querySelector, addEventListener, createElement → This is how you make web pages come ALIVE 2️⃣ Async JavaScript & Promises → async/await, fetch API, Promise.all → Every real app talks to a server — learn this! 3️⃣ ES6+ Modern Syntax → Arrow functions, destructuring, spread/rest, modules → Write cleaner, smarter, modern JS 4️⃣ Array & Object Methods → map, filter, reduce, Object.keys/entries → Data manipulation is used EVERY single day 5️⃣ Closures & Scope → var/let/const, hoisting, lexical scope → Understand this = ace every interview 🎯 6️⃣ Event Loop & Runtime → Call stack, microtasks, macrotasks → Know WHY JavaScript behaves the way it does 7️⃣ Error Handling → try/catch/finally, graceful API failure → Real apps break — learn to handle it properly 8️⃣ React / Frameworks → useState, useEffect, props, components → Once you know JS deeply, frameworks feel EASY ━━━━━━━━━━━━━━━━━━━━━━ 🔥 Pro Tip for Beginners: Don't rush into React or any framework. Build 5 projects with pure Vanilla JavaScript first. DOM + Async + ES6 = a foundation that makes EVERYTHING easier. 📌 Save this post — share it with someone learning web dev! 💬 Which topic helped YOU the most? Drop it in the comments below 👇 #JavaScript #WebDevelopment #Frontend #LearnToCode #100DaysOfCode #ReactJS #CodingTips #TechCareer #Programming #WebDev

⚡ When JavaScript Wasn’t Enough At the beginning of my web development journey, building with HTML, CSS, and JavaScript felt exciting and powerful. But as projects grew, managing code, UI updates, and reusable components became more complex. That’s when I started exploring frameworks like React and Angular. In my latest Medium article, I share how learning frameworks changed the way I think about development from simply writing code to designing scalable and organized applications. 👉 Read the full article here: https://lnkd.in/gm78b3Hm Would love to hear your thoughts and experiences with React or Angular! 💬 #WebDevelopment #JavaScript #ReactJS #Angular #FrontendDevelopment #SoftwareDevelopment #CodingJourney #TechLearning #LearningInPublic #WomenInTech

🚨 Most developers think they understand JavaScript Arrays… …but 90% are just using "push()" and "pop()" 😶 If you’re preparing for frontend interviews or building real-world apps, this is where you either level up… or get stuck. Today’s drop 👇 ✨ DAY 15: JavaScript Arrays (From Basics → Advanced) Here’s what you’ll actually learn inside this PDF: 🔹 How arrays really work (not just syntax) 🔹 Mutable vs Immutable methods (this is 🔥 for interviews) 🔹 Destructuring, Rest & Spread (modern JS superpowers) 🔹 Deep vs Shallow copy (most devs get this wrong) 🔹 Powerful methods like "map", "filter", "reduce" explained simply 🔹 Real-world use cases + practice questions to master it 💡 One insight that changes everything: If you don’t understand immutability, your React apps will break in ways you won’t understand. This is not just theory — it’s exactly what you need to write clean, predictable, production-level JavaScript. --- 📌 Save this post if you're learning JavaScript 📌 Comment “ARRAYS” and I’ll share the next part 📌 Follow for daily high-quality frontend content Let’s build consistency, not just skills 🚀 #javascript #webdevelopment #frontenddeveloper #reactjs #coding #programming #learninpublic #developers #100daysofcode

🚀 Just built a small project using React! I created a Feedback Form with Auto Email Confirmation that automatically sends users an email containing the same feedback they submitted. This project helped me understand how frontend applications can integrate with email services to automate responses. 🔧 Tech Stack: • React • JavaScript • CSS • EmailJS 💡 How it works: When a user submits the feedback form, an automated email is sent to them with the feedback details they entered. This confirms that their feedback has been successfully submitted. 🌐 Live Demo: https://lnkd.in/dAUCzcWX 📂 GitHub Repository: https://lnkd.in/dXvdXb6B This project was built for a college assignment, but it also helped me explore how automated communication can be implemented in web applications. #React #JavaScript #WebDevelopment #FrontendDevelopment #Projects #LearningInPublic

🚀 JavaScript Developer: Key Areas & Skills Becoming a strong JavaScript Developer requires mastering more than just syntax. It’s about understanding the entire ecosystem and building a solid foundation. 🔹 Core JavaScript • Data Types • Variables • Functions • Arrays & Objects • Loops & Conditionals 🔹 Asynchronous JavaScript • Promises • Async / Await • Event Loop 🔹 DOM Manipulation & Events 🔹 ES6+ Features • Classes • Modules • Destructuring • Arrow Functions 🔹 Ecosystem & Tools • Node.js • NPM / Yarn • Webpack / Babel • Testing (Jest, Mocha) 🔹 Foundations • HTML • CSS • Strong understanding of web fundamentals 🔹 Soft Skills & Best Practices • Debugging • Git • Clean Code • Problem Solving As a Frontend Developer, strengthening these areas helps in building scalable, efficient, and modern web applications. 💡 Continuous learning and practice are the keys to becoming a better developer. #JavaScript #FrontendDevelopment #WebDevelopment #ReactJS #Programming #SoftwareDevelopment

This is a great breakdown of what it really takes to become a JavaScript developer. Many people think learning JavaScript is just about syntax, but the real growth comes from understanding the ecosystem — async concepts, tools, debugging, and problem-solving. As someone currently learning JavaScript and building projects, this roadmap is a great reminder that becoming a developer is a continuous journey of learning and practice. 🚀 #JavaScript #CodingJourney #WebDevelopment

Namaste JavaScript Notes – Your Shortcut to Mastering JS Fundamentals If you’re serious about frontend, backend, or full-stack development, you cannot skip JavaScript fundamentals. I’ve compiled structured Namaste JavaScript Notes covering the core concepts that every developer must understand deeply — not just memorise. Inside these notes: - Execution Context & Call Stack - Hoisting (var, let, const) - Closures - Scope Chain - Event Loop & Callback Queue - setTimeout & Async Behavior - Promises & Async/Await - this keyword (in every scenario) - map, filter, reduce (with clarity) These are the exact topics interviewers love to test — especially for frontend and React roles. The goal isn’t just to “know” JavaScript. It’s to understand: • How JS works behind the scenes • Why async behaves the way it does • What really happens during execution Because once your fundamentals are strong, frameworks become easy. Follow Muhammad Nouman for more such insights. #JavaScript #FrontendDevelopment #NamasteJavaScript #WebDevelopment #CodingInterview #TechLearning