Shivank MITTAL’s Post

🚀 JavaScript Concept – What’s the Output? An object is stored inside an array and then the original variable is set to null. Does this change the value inside the array? 🤔 This question tests your understanding of references in JavaScript. Comment your answer below! 👇 #JavaScript #Coding #WebDevelopment #Programming #LearnTogether

Mastering JavaScript Closures: A Comprehensive Guide with Practical Examples JavaScript closures are a fundamental concept that allows a function to remember and access its lexical scope even when it's executed outside that scope. This tutorial demystifies closures, explaining their mechanics, practical applications, and how they empower powerful design patterns in your JavaScript code. Read the full article 👇 https://lnkd.in/gK4b6gvw #Technology #Programming #WebDevelopment #SoftwareEngineering #Coding #JavaScript #JSClosures #JavaScriptClosures #FunctionalProgramming #FrontendDevelopment #FutureOfWork #DigitalTransformation

🟨 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 Hoisting Explained.................. In JS, var declarations are hoisted to the top during the creation phase, initialized as undefined. So console.log(x) before assignment outputs undefined, then x = 5 assigns the value, and the second console.log(x) shows 5. #WebDev #JavaScript #Hoisting #Frontend #JSBasics #Coding #Programming #DeveloperTips #VarDeclaration #ExecutionContext

Mastering 'this' in JavaScript: A Comprehensive Guide to Context The 'this' keyword in JavaScript is notorious for its complexity and the confusion it often causes. This tutorial demystifies 'this', exploring its various contexts, common pitfalls, and how to control its value using 'call', 'apply', and 'bind' for robust application development. Read the full article 👇 https://lnkd.in/dtZbsgAB #JavaScript #Programming #WebDevelopment #Coding #Tech #thisKeyword #JavaScriptThis #FunctionBinding #CallApplyBind #ContextInJS #FutureOfWork #DigitalTransformation

JavaScript Prototype Explained Simply (Must Know Concept) Why Prototype Matters? ✔ Code Reusability ✔ Memory Efficient ✔ Enables Inheritance ✔ Foundation of JavaScript Classes Array.prototype → Object.prototype → null Methods like: • push() • pop() • map() • filter() Come from Array.prototype const arr = [10, 20, 30]; console.log(arr.__proto__ ===Array.prototype); // true If you're learning JavaScript, mastering Prototype is a game changer 💪 #JavaScript #WebDevelopment #Frontend #Programming #Developers #CodingJourney

Day 6 of “Js in bits series – (Datatypes - Boolean)” Here are a few key ideas covered in the article: 🔹 What null represents in JavaScript 🔹 The difference between null and undefined 🔹 Why typeof null returns "object" (one of JavaScript’s historical quirks) 🔹 Practical examples of when to intentionally use null 👉 https://lnkd.in/gTA8tarr #javascript #webdevelopment #frontend #programming #softwareengineering #learning

Mastering JavaScript Loops: A Comprehensive Guide Loops are fundamental constructs in programming, allowing you to execute a block of code repeatedly. This tutorial dives deep into all types of loops in JavaScript, explaining their syntax, use cases, and best practices with practical code examples. Learn to choose the right loop for every scenario. Read the full article 👇 https://lnkd.in/dM2U38MH #Technology #Programming #WebDevelopment #SoftwareEngineering #JavaScript #JSLoops #CodingTips #FrontendDevelopment #FutureOfWork #DigitalTransformation

🚀 React Series: Day 9 – Mastering the useRef Hook useRef is essential for direct DOM access and storing mutable values without triggering unnecessary re-renders. 💡 It optimizes performance by maintaining persistent data across the component's lifecycle efficiently. #ReactJS #WebDevelopment #FrontendDeveloper #JavaScript #CodingTips #SoftwareEngineering #ReactHooks #Programming #WebDesign #Techcommunity #UIUX #FullStackDeveloper

Closures in JavaScript are a powerful concept that allow functions to retain access to their lexical scope, even after execution. They are widely used for data encapsulation, maintaining state, and building modular, maintainable code in modern applications. Understanding closures reflects strong command over core JavaScript fundamentals. #JavaScript #Closures #FrontendDeveloper #WebDevelopment #SoftwareEngineering #CleanCode #Programming #DeveloperSkills #TechCareers #ModernJavaScript