🚀 “I built a Todo App… to understand JavaScript — not to finish it.” Sounds simple. But this one decision changed how I see frontend development. Most people build projects to ship. I built this one to understand why things work the way they do. 👉 Here’s what clicked when I went deeper: 🧠 Every click is queued — not instant The Event Loop decides when your code runs, not you. That’s why your UI doesn’t freeze—even with multiple actions. ⚡ Search smarter, not harder Debouncing with setTimeout + clearTimeout: ✔ Fewer unnecessary executions ✔ Better performance ✔ Clear understanding of Web APIs in action 🔁 Less code, more efficiency Event Delegation changed everything: ✔ One listener instead of many ✔ Cleaner logic ✔ Scales effortlessly 📦 The moment it all made sense Microtasks vs Macrotasks: • Promises → higher priority • setTimeout → lower priority ✔ Finally understood execution order in JavaScript 🎯 What this project really taught me: ✔ Async JS isn’t magic—it’s structured ✔ The browser + JS engine work as a system ✔ Smooth UI is a result of smart scheduling 🔥 The shift most developers miss: Don’t build projects just to complete them. Build them to uncover how things actually work. 💬 If you’ve built a project that changed how you think—what was it? Let’s learn from each other 👇 #JavaScript #EventLoop #FrontendDevelopment #WebDevelopment #CodingJourney #LearnInPublic #SoftwareEngineering #AsyncJavaScript

🚀 Top 3 Reasons to Learn Front-End Web Development 💻 Universal Demand – Every website needs front-end developers, making it one of the most in-demand tech skills worldwide. 🎨 Immediate Visual Impact – You can instantly see your code come alive in the browser, which makes learning exciting and motivating. 🧩 Foundation for Full-Stack Skills – Understanding the front-end is essential before moving into full-stack development. 🛠️ Common Front-End Technologies: HTML • CSS • JavaScript • React • Vue.js Start building, keep experimenting, and watch your ideas turn into real web experiences! 🌐✨ #WebDevelopment #FrontendDevelopment #HTML #CSS #JavaScript #ReactJS #VueJS #Coding #TechSkills #LearnToCode

Understanding why a component re-renders in React, even when it seems nothing has changed, is crucial for optimizing performance. In the example of the Parent component, we have: ```javascript function Parent() { const [count, setCount] = useState(0); const handleClick = () => { console.log("Clicked"); }; return <Child onClick={handleClick} />; } ``` Even when the Child component is wrapped with React.memo, it still re-renders. The reason is that functions in JavaScript are re-created on every render. Therefore, on each render, `handleClick` is not equal to the previous `handleClick`, leading React to perceive it as a new prop. As a result, the Child component receives a new function reference, prompting React to think the props have changed, which causes the Child to re-render. To prevent this, we can use `useCallback` to memoize the function: ```javascript const handleClick = useCallback(() => { console.log("Clicked"); }, []); ``` This way, React retains the same function reference between renders. Key Insight: React compares references, not function logic. However, it's important to note that `useCallback` should not be overused. It is best utilized when: - Passing functions to child components - Optimizing performance with React.memo #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #SoftwareEngineering #CodingJourney #LearninglnPublic #DeveloperLife #ReactInternals #FrontendEngineer #TechInterview #StateManagement #ReactHooks

💡 React Tip: Improving Form Performance in Large Applications While working on a complex React form with 50+ fields, I noticed frequent re-renders that were impacting performance and user experience. The solution? React Hook Form instead of traditional controlled inputs. Why React Hook Form works well for large forms: ✅ Minimal re-renders for better performance ✅ Lightweight and scalable for complex forms ✅ Built-in validation support ✅ Easy integration with validation libraries like Yup Example: const { register, handleSubmit } = useForm(); <input {...register("projectName")} /> Using this approach significantly improved form performance, maintainability, and scalability in our application. Curious to hear from other developers 👇 What tools or libraries do you prefer for handling large forms in React applications? #reactjs #frontenddevelopment #javascript #typescript #webdevelopment #reacthookform

🚀 Project Update: React Card UI A simple card project built using React.js to show user details in a clean way. 🔗 GitHub Link: https://lnkd.in/gi56aNdJ ✨ Features: ✔ Show data using map() ✔ Clean and simple design ✔ Light and dark theme ⚙ Tech Stack: React.js | JavaScript | HTML | CSS This project helped improve basic React skills and understanding of UI. More projects coming soon. #ReactJS #FrontendDeveloper #WebDevelopment #JavaScript #Projects

🚀 Front-End Development Tools That Power Modern Web Experiences Front-end development is all about creating fast, responsive, and user-friendly interfaces that users interact with every day. From structuring web pages with HTML to styling with CSS and adding interactivity using JavaScript, the front-end ecosystem is constantly evolving. Modern tools like React, Vue, and Tailwind CSS are making development faster, cleaner, and more efficient than ever before. Strong front-end skills combined with the right tools can turn ideas into engaging digital experiences. 💡 Keep learning. Keep building. Keep improving. #FrontendDevelopment #WebDevelopment #JavaScript #ReactJS #CSS #HTML #UIUX #Tech #Developers

useRef is Not Just for DOM Access: Most React developers learn useRef for one thing: accessing a DOM element directly. And then they never think about it again. That is a mistake. useRef is one of the most underused and misunderstood hooks in React. Here is what it can actually do: -> Store previous values without triggering re-renders useState causes a re-render every time it changes. useRef does not. When you need to track a value across renders without causing the component to update, ref.current is the right tool. This is how you compare the current value of something to what it was on the previous render — without any side effects. -> Manage setTimeout and setInterval safely Timer IDs stored in state cause unnecessary re-renders. Timer IDs stored in refs do not. Keep your interval and timeout IDs in refs. Clear them reliably even when dependencies change. No race conditions. No stale closures catching you off guard. -> Persist values across renders Counters, focus state, scroll position — values that need to survive re-renders without driving them are perfect use cases for useRef. The final takeaway from this image is exactly right. Before reaching for useState, ask yourself one question: does this value need to trigger a re-render when it changes? If the answer is no, useRef is probably the better choice. Not every value that needs to be tracked needs to live in state. Knowing the difference is what separates developers who write performant React from developers who create unnecessary re-render chains without realizing it. What was the most useful non-DOM use case for useRef you have discovered? #React #useRef #FrontendDevelopment #JavaScript #WebDevelopment #ReactHooks

🚀 Excited to share my latest project: QR Code Generator built using React and Vite! This simple web application allows users to generate a QR code from any URL and download it instantly. 🔹 Key Features: • Generate QR codes from any URL • Input validation with error handling • Instant QR preview • Download QR code as PNG • Responsive UI design 🛠 Tech Stack: React | JavaScript | Vite | CSS | QRCode npm package Working on this project helped me strengthen my understanding of React state management, conditional rendering, and UI design. 🔗Link : https://lnkd.in/g6EUzh2F 🔗 GitHub Repository: https://lnkd.in/gmV7AiWi I’m continuously learning and building projects to improve my frontend development skills. #React #JavaScript #FrontendDevelopment #WebDevelopment #LearningInPublic #ReactJS

🚀 Excited to share that 𝗜’𝘃𝗲 𝗯𝗲𝗲𝗻 𝗹𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗩𝘂𝗲.𝗷𝘀 and building projects with it! 𝗩𝘂𝗲.𝗝𝘀 is an open-source, progressive JavaScript framework for building user interfaces (UIs) and single-page applications (SPAs). It is known for its simplicity, flexibility, and performance 💡 𝗪𝗵𝘆 𝗩𝘂𝗲.𝗷𝘀? • Simple and easy to learn • Component-based architecture • Reactive data binding • Excellent performance • Powerful ecosystem with tools like Vue Router, Pinia, and Vite 🔹 𝗪𝗵𝗮𝘁 𝗶𝘀 𝗮 𝗦𝗶𝗻𝗴𝗹𝗲 𝗣𝗮𝗴𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 (𝗦𝗣𝗔)? A Single Page Application (SPA) is a web application that loads a single HTML page and dynamically updates the content as users interact with the app, without reloading the entire page. This approach makes applications faster, smoother, and more responsive, creating a user experience similar to desktop applications. 🧩 𝗞𝗲𝘆 𝗖𝗼𝗻𝗰𝗲𝗽𝘁𝘀 𝗜’𝘃𝗲 𝗟𝗲𝗮𝗿𝗻𝗲𝗱 🔹 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 Vue applications are built using reusable components. Each component contains its own logic, template, and styles, making applications easier to maintain and scale. 🔹 𝗥𝗲𝗮𝗰𝘁𝗶𝘃𝗶𝘁𝘆 𝗦𝘆𝘀𝘁𝗲𝗺 Vue automatically updates the UI whenever the underlying data changes, creating a dynamic and responsive interface. 🔹 𝗩𝘂𝗲 𝗥𝗼𝘂𝘁𝗲𝗿 Used for building Single Page Applications (SPA). It enables navigation between different pages without refreshing the browser. 🔹 𝗣𝗿𝗼𝗽𝘀 & 𝗘𝗺𝗶𝘁 Props allow passing data from parent to child components, while emit enables child components to communicate with their parent. 🔹 𝗖𝗼𝗺𝗽𝗼𝘀𝗶𝘁𝗶𝗼𝗻 𝗔𝗣𝗜 A modern way to organize logic inside Vue components using features like ref, reactive, watch, and onMounted. 🛠 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗜 𝗕𝘂𝗶𝗹𝘁 𝗪𝗵𝗶𝗹𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗩𝘂𝗲: 🔗 Project 1: https://lnkd.in/dW3AR9KT 🔗 Project 2: https://lnkd.in/dHYypvrx You can also check all my projects here: 🔗 GitHub: https://lnkd.in/ddy78cTq I’m excited to continue building projects and improving my frontend development skills 💻✨ #VueJS #FrontendDevelopment #JavaScript #WebDevelopment #SoftwareEngineering#ITI

Today I learned two exciting things in my web development journey — React useState Hook and Tailwind CSS. 1. React useState Hook The useState hook helps manage state in functional components. It allows us to create dynamic and interactive user interfaces. To understand this concept better, I built a simple Counter Application where users can increase or decrease a number. Example: import React, { useState } from "react"; function Counter() { const [count, setCount] = useState(0); return ( <div> <h2>Count: {count}</h2> <button onClick={() => setCount(count + 1)}>Increase</button> <button onClick={() => setCount(count - 1)}>Decrease</button> </div> ); } export default Counter; 2. Tailwind CSS I also started learning Tailwind CSS, a utility-first CSS framework that helps build modern and responsive UI quickly using predefined classes. Example: <button class="bg-blue-500 text-white px-4 py-2 rounded"> Click Me </button> ** What I learned today: • Managing state using useState • Creating a simple React counter app • Styling components quickly using Tailwind CSS Excited to keep improving my skills in React and modern frontend development. More learning coming tomorrow! Sheryians Coding School Sarthak Sharma Ritik Rajput Daneshwar Verma Devendra Dhote #ReactJS #TailwindCSS #FullStackDeveloper #WebDevelopment #CodingJourney #LearnInPublic