Most developers struggle with the this keyword at the start — and it’s not their fault. The real behavior is simple: this depends entirely on how a function is called, not where it’s written. Change the caller → change the value of this. Here’s a short visual breakdown to make it click instantly. — CodebreakDev Let’s CodeBreak it down, together. #javascript #softwaredevelopment #webdevelopment #frontend #learninginpublic #codebreakdev
More Relevant Posts
-
Ever wondered why your JavaScript logs run out of order? This is one of the most common async mistakes. The fix isn’t complex — it’s async/await. Once you see it, you can’t unsee it. Cleaner flow. Predictable output. Better code. Try this pattern in your code today. #JavaScript #AsyncAwait #WebDevelopment #Frontend #SoftwareEngineering #makstyle119
To view or add a comment, sign in
-
-
Most developers don’t know this about JavaScript closures 🤯 Closures are not magic. They simply remember the variables even after the function is executed. That’s why: • setTimeout • Event listeners • Callbacks work so smoothly. If closures confuse you → practice small examples, not big codebases. Question: What topic confused you the most in JavaScript? 👇 #JavaScript #WebDevelopment #Frontend #CodingLife
To view or add a comment, sign in
-
Every extra library solves one problem and quietly introduces three more. That quick npm install feels productive ⚡ until it turns into a heavier bundle, slower pages, and another dependency you now own. Most performance issues don’t magically appear in production 🚨 they’re quietly shipped long before — right when we choose convenience over simplicity. Libraries are great. But mature engineering is knowing when not to add one. Sometimes the best optimization is writing a few lines of code yourself ✍️ #WebDevelopment #JavaScript #Frontend #Performance #CleanCode #EngineeringMindset #React #NextJS 🚀 #HappyCoding
To view or add a comment, sign in
-
-
In reducers and signal updates, I still see a lot of `const next = [...arr]; next[i] = value` for single-index changes. The new `Array.prototype.with()` makes that intent explicit: create a new array with one element replaced, without mutating the original. The trade-off is runtime support and team familiarity, so you may still need polyfills or a clear TS/ES target in shared code. Where would you adopt `with()` first, and where would you avoid it for compatibility reasons? #javascript #typescript #frontend #immutability #redux
To view or add a comment, sign in
-
-
Here is a basic problem: Inline Logic Explosion 💥 This code works. But it smells. When JSX starts doing calculations, date comparisons, and condition chains, the readability takes a hit. What to do? 👉 Move decision-making out of JSX. 👉 Keep components declarative. 👉 Make logic testable and reusable. Have you seen (or written) code like this in production? 😄 #React #CleanCode #Frontend #CodeSmell #JavaScript #WebDevelopment
To view or add a comment, sign in
-
-
Reposting this 🔁 — Debouncing vs Throttling explained really well 🚀 These two concepts look simple, but they play a huge role in frontend performance. 🔹 Debouncing → waits until the user stops the action (perfect for search inputs) 🔹 Throttling → executes at fixed intervals (great for scroll & resize events) Understanding when and why to use each one can: Reduce unnecessary API calls Improve app performance Create smoother user experiences If you’re working with JavaScript / React, this is a must-know concept. Highly recommend going through this post 👍 Credits: Naganathan A 🙌 #JavaScript #WebDevelopment #Frontend #ReactJS #PerformanceOptimization #Learning #Developers
Full Stack Developer (MERN) | 1+ Years Experience | React.js | Node.js | Building Scalable Web Applications | Ex-Kodukku Classifieds
JavaScript Debouncing vs Throttling — Explained Simply 🚀 Ever wondered why your search input fires API calls too often? Or why scroll events hurt performance? 👉 The answer is Debounce & Throttle. 🔹 Debounce → waits until the user stops the action 🔹 Throttle → runs at fixed intervals, no matter how often the event fires Used commonly in: Search inputs 🔍 Scroll & resize events 📜 Button clicks ⚡ Swipe through to understand: ✔ How they work ✔ When to use which ✔ Common mistakes developers make 💬 What’s your real-world use case for debounce or throttle? Let’s discuss 👇 #javascript #frontend #reactjs #webdevelopment #performance #developers
To view or add a comment, sign in
-
JavaScript Debouncing vs Throttling — Explained Simply 🚀 Ever wondered why your search input fires API calls too often? Or why scroll events hurt performance? 👉 The answer is Debounce & Throttle. 🔹 Debounce → waits until the user stops the action 🔹 Throttle → runs at fixed intervals, no matter how often the event fires Used commonly in: Search inputs 🔍 Scroll & resize events 📜 Button clicks ⚡ Swipe through to understand: ✔ How they work ✔ When to use which ✔ Common mistakes developers make 💬 What’s your real-world use case for debounce or throttle? Let’s discuss 👇 #javascript #frontend #reactjs #webdevelopment #performance #developers
To view or add a comment, sign in
-
Event Capturing & Bubbling in JavaScript — something I wish I understood earlier 🧠 If you’ve ever clicked a button and wondered, "Why is the parent handler also firing?" — This is why. When an event happens, it travels through the DOM in phases: • Capturing → top to bottom • Target → the actual element • Bubbling → bottom to top (default) Most bugs around clicks, modals, dropdowns, and menus come from not knowing this flow. Frontend isn’t hard — It’s just easy to misunderstand when fundamentals are skipped ⚡ #JavaScript #Frontend #WebDev
To view or add a comment, sign in
-
React introduces Actions to handle async form logic with less code. const [state, action, isPending] = useActionState( async () => loginUser(), null ); <form action={action}> <button disabled={isPending}>Login</button> </form> - Built-in loading state - Cleaner async handling - Less boilerplate A small feature, but a big improvement for form handling. #React #Frontend #JavaScript #WebDev #ReactJS
To view or add a comment, sign in
-
Most developers don’t know this, but JavaScript can pause execution without blocking the thread. Not with setTimeout. Not with hacks. With microtasks. await Promise.resolve() That single line lets the current call stack finish flushes pending microtasks then continues execution cleanly Why it matters: sometimes you don’t want a delay you just want the browser to breathe This is how you fix subtle race conditions avoid weird UI glitches control execution order without timers It’s not magic. It’s how the event loop actually works. Most bugs aren’t about syntax. They’re about timing. #JavaScript #WebDevelopment #Frontend #EventLoop #Async #CleanCode
To view or add a comment, sign in
-
Explore content categories
- Career
- Productivity
- Finance
- Soft Skills & Emotional Intelligence
- Project Management
- Education
- Technology
- Leadership
- Ecommerce
- User Experience
- Recruitment & HR
- Customer Experience
- Real Estate
- Marketing
- Sales
- Retail & Merchandising
- Science
- Supply Chain Management
- Future Of Work
- Consulting
- Writing
- Economics
- Artificial Intelligence
- Employee Experience
- Workplace Trends
- Fundraising
- Networking
- Corporate Social Responsibility
- Negotiation
- Communication
- Engineering
- Hospitality & Tourism
- Business Strategy
- Change Management
- Organizational Culture
- Design
- Innovation
- Event Planning
- Training & Development