Mastering JavaScript: Hoisting, Closures & Prototypes

🟨 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗶𝘀 𝘀𝗶𝗻𝗴𝗹𝗲-𝘁𝗵𝗿𝗲𝗮𝗱𝗲𝗱 — 𝘀𝗼 𝗵𝗼𝘄 𝗱𝗼𝗲𝘀 𝗶𝘁 𝗵𝗮𝗻𝗱𝗹𝗲 𝗮𝘀𝘆𝗻𝗰 𝘁𝗮𝘀𝗸𝘀? JavaScript runs on **one main thread**. Yet it can handle things like: 🌐 network requests ⏳ timers 📦 user interactions The secret is the **Event Loop**. It manages: • Call Stack • Task Queue • Callback execution So while one task runs, others wait in the queue. 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗶𝘀𝗻’𝘁 𝗽𝗮𝗿𝗮𝗹𝗹𝗲𝗹 — 𝗶𝘁’𝘀 𝘀𝗺𝗮𝗿𝘁𝗹𝘆 𝗼𝗿𝗴𝗮𝗻𝗶𝘇𝗲𝗱. #JavaScript #Programming #LearningInPublic #ITStudent

🚀 JavaScript Fundamentals Series — Part 3 Programs are not just instructions. They are decisions. This is where control flow comes in. In this guide I explain: • if / else conditions • switch statements • for loops • while loops • Writing readable logic Once you understand control flow, you can finally start writing real programs instead of simple scripts. Full guide 👇 https://lnkd.in/d8wkkNbF #javascript #programming #webdev

Day 6 of “Js in bits series – (Datatypes - Boolean)” In this article, I cover: 🔹 What the Boolean datatype is 🔹 How JavaScript uses true/false in conditions 🔹 Examples with comparisons and logical checks 🔹 Why Boolean values are essential for decision-making in programs 👉 https://lnkd.in/gc-H6ky9 #javascript #webdevelopment #frontend #programming #softwareengineering #learning

Day 5 of Learning JavaScript 🚀 Today I learned about if / else statements. They allow programs to make decisions. Example: if (age >= 18) { console.log("You can vote") } Programming is really about solving problems using logic. #javascript #frontenddeveloper

Revisiting a simple but powerful JavaScript concept today: map() map() allows us to transform each element of an array and return a new array. Example: doubling numbers in an array. Small concepts like these form the foundation of writing cleaner and more functional JavaScript code. #JavaScript #WebDevelopment #FrontendDevelopment #Programming #CodingJourney #LearningInPublic

30 Days JavaScript Challenge: Day 18 ✅ Today’s problem was about implementing a debounce function. The idea is simple but very useful delay the execution of a function, and if it gets called again within that delay, cancel the previous call and restart the timer. This concept is widely used in real-world scenarios like: • search input optimization • reducing unnecessary API calls • handling rapid user events It was a great exercise to understand how timers and function control work together in JavaScript. 18 days in getting more comfortable with concepts that are actually used in real applications. 💻🚀 #javascript #leetcode #webdevelopment #frontenddeveloper #codingchallenge #learninginpublic #developers #programming #buildinpublic

Sharing beginner-friendly notes on Asynchronous JavaScript ⚡ Concepts like Callbacks, Promises, and async/await can feel confusing at first, so I tried to break them down in the simplest way possible focusing on how JavaScript handles tasks like API calls, timers, and other async operations. Just practical explanations without unnecessary complexity. Feedback and suggestions are welcome! #JavaScript #Coding #Learning #Programming

Just published a new article on JavaScript Functions! While learning JavaScript, I spent some time understanding the difference between Function Declarations and Function Expressions. At first they look very similar, but their behavior (especially with hoisting) is quite different. In this article I covered: • What functions are and why we use them • Function declaration syntax • Function expression syntax • The key differences between them • A simple explanation of hoisting • A small practice assignment for beginners I tried to keep the explanations simple and beginner-friendly with small examples and diagrams. If you're starting your JavaScript journey, this might help clarify an important concept. Read it here:https://lnkd.in/gfdB3GZS #javascript #webdevelopment #learninpublic #programming #chaicode

Many beginners in JavaScript get confused between null and undefined, but the difference is actually simple. When a variable is declared but not assigned any value, JavaScript automatically gives it the value undefined. This means the variable exists, but it hasn't been initialized yet. On the other hand, null is a value that is intentionally assigned by the developer to indicate that the variable should contain no value. In simple terms: undefined → variable exists but no value has been assigned yet. null → developer deliberately sets the variable as empty. Pro Tip: Use null when you intentionally want a variable to be empty. If you just declare a variable without assigning anything, it will automatically be undefined. #JavaScript #WebDevelopment #FrontendDevelopment #CodingTips #LearnToCode #Programming #SoftwareDevelopment #Developers #TechLearning #CodingCommunity #100DaysOfCode #JavaScriptTips #CodeNewbie #WebDev

Programming is more than just writing lines of code; it's about making decisions. 🚦 In my latest blog post, I dive deep into Control Flow in JavaScript. I break down how if, else, and switch statements act as the "GPS" for your code, directing logic based on real-world scenarios. What you’ll learn: ✅ The logic behind if-else vs. switch ✅ Why the break keyword is a lifesaver in switch cases ✅ A side-by-side comparison for cleaner code Perfect for beginners or anyone looking to sharpen their JS fundamentals! 🚀 Read more here: https://lnkd.in/dwuvC9jq #JavaScript #WebDevelopment #Programming #BeginnerCode #LearningToCode #Hashnode