JavaScript Hoisting Explained: Var, Let, Const

Day 7/30 – JavaScript Challenge 🚀 Built a Random Quote Generator using JavaScript 💬   On each button click, a random quote is selected from an array and displayed dynamically. GitHub: https://lnkd.in/djJ-NtGi #JavaScript #WebDevelopment #LearningInPublic #30DaysOfCode

🚀 New JavaScript Tutorial: Understanding the Event Loop (With Simple Examples!) The JavaScript Event Loop is one of the most important — and most confusing — concepts for beginners and interview prep. So I created a simple, practical video to explain it step by step 👇 🎥 Watch here: https://lnkd.in/gWjzfuK3 🔍 In this video, you’ll learn: ✅ What the JavaScript Event Loop really is ✅ How Call Stack, Web APIs & Callback Queue work together ✅ Microtasks vs Macrotasks (Promises vs setTimeout) ✅ How async code runs behind the scenes ✅ Common Event Loop interview questions ✅ Easy tips to understand JS concurrency This video is perfect for: ✔️ JavaScript beginners ✔️ Frontend & React developers ✔️ Interview preparation If you’ve ever been confused about async/await, promises, or setTimeout execution order, this one’s for you 💡 👉 Like, comment, and share if it helped you 🔔 Subscribe for more JavaScript & React tutorials #JavaScript #EventLoop #WebDevelopment #FrontendDevelopment #JSInterview #LearnJavaScript #AsyncJavaScript #ReactJS #CodingInterviews #ProgrammingTips Sanjeev Kumar Anil Kumar W3Schools.com

forEach vs map in JavaScript When to Use Each? These two look similar but solve different problems. Knowing when to use forEach() vs map() helps you write cleaner and more efficient JavaScript. 🎥 I’ve explained this with real examples in a short video on my channel worth a watch #JavaScript #Frontend #WebDevelopment #Coding #LearnJavaScript https://lnkd.in/dgigBecn

🚀 Day 26– JavaScript Classes & Inheritance In today’s JavaScript session, we covered: ✅ JavaScript Classes 🔹 Understanding classes as a blueprint for creating objects 🔹 Creating classes to generate multiple objects ✅ Constructor Method 🔹 Using constructor() to initialize object properties 🔹 Creating single and multiple objects from a class ✅ Inheritance in JavaScript 🔹 Sharing properties and methods between classes 🔹 Understanding parent (super) and child (sub) classes ✅ extends Keyword 🔹 Inheriting methods and properties from a superclass ✅ super Keyword 🔹 Calling the superclass constructor using super() 🔹 Ensuring proper initialization of inherited properties ✅ this Keyword in Classes 🔹 Referring to the current instance of a class 🔹 Understanding this in both super and sub classes 💡 Key takeaway: Classes and inheritance help build reusable, organized, and scalable object-oriented JavaScript code. #JavaScript #FullStackDevelopment #LearningInPublic #Nettms #NettmsEducation @nettmsurbanhabitat @nettmseducation

Ever seen a JavaScript function “remember” a variable long after the outer function has finished? That behavior comes from closures — one of the most important concepts in JavaScript. In this carousel, I break down closures using the classic counter example so the idea finally clicks: How the outer function creates a variable Why the inner function still has access to it How JavaScript keeps that scope alive Why the counter keeps increasing And where closures show up in real-world code Follow CodebreakDev for more developer fundamentals and clean JavaScript explainers. #javascript #webdevelopment #softwareengineering #codingtips #learninginpublic #programmingfundamentals #frontenddevelopment #CodebreakDev

Understanding var, let, and const in JavaScript ⚡ Many beginners ask: Which one should I use — var, let, or const? 👉 var Function scoped Can be re-declared & updated Causes unexpected bugs ⚠️ Avoid using in modern JavaScript 👉 let Block scoped Can be updated but not re-declared Best for values that change 👉 const Block scoped Cannot be re-assigned Best for fixed references 💡 Rule of Thumb: Use const by default, use let when value needs to change, avoid var. Strong fundamentals = clean & bug-free code 🚀 #JavaScript #WebDevelopment #FrontendDeveloper #LearnJS

🚀 Confused between map, filter, and reduce in JavaScript? 🤯 You’re not alone — this is one of the most common JS interview questions! I just published a 7-minute beginner-friendly video explaining: ✅ What map() does ✅ How filter() works ✅ Why reduce() is so powerful ✅ One array → 3 different outputs ✅ Real interview-style examples 📌 In the video, we cover: • Transforming data using map • Selecting data using filter • Calculating totals using reduce 🎯 Perfect for: • JavaScript Beginners • Frontend Developers • React Developers • Interview Preparation 👉 Watch here: https://lnkd.in/g4M5wMjW If you’re learning JavaScript or preparing for frontend interviews, this will save you a lot of confusion. Feel free to like, share, or comment if it helped you! 🙌 #JavaScript #FrontendDevelopment #ReactJS #WebDevelopment #JavaScriptBasics #InterviewPreparation #Coding #LearnJavaScript #JSArrayMethods Sanjeev Kumar w3schools.com GeeksforGeeks

Converting arrays to strings can be a tricky task, especially for beginners 📝. I recall my early days in JavaScript, struggling to turn object arrays into comma-separated strings. After some research, I discovered a few simple methods to achieve this. By utilizing JavaScript's built-in functions, you can easily convert arrays into strings with or without commas. Read more: https://lnkd.in/gb63R9N8 #JavaScript #ProgrammingTips #WebDevelopment

I’ve started learning JavaScript, and one thing I’m struggling with is this- Should I focus on memorizing syntax or on understanding concepts and looking things up when needed? Sometimes I understand the logic but forget the syntax, and sometimes it’s the opposite. For those who’ve learned JavaScript already, how did you approach this phase? #JavaScript #LearningInPublic #WebDevelopment

Today I implemented a HashMap in JavaScript - not because I need to (JavaScript already has Map!), but because understanding the fundamentals makes you a better developer. Key takeaways: → How hashing functions work → Managing collisions efficiently → The trade-offs between time and space complexity What fundamental concept have you explored lately? #SoftwareEngineering #JavaScript #ContinuousLearning