Mastering call(), apply(), and bind() in JavaScript

🚀 TIL in JavaScript typeof null returns "object" 🤯 Yes, this is real — and it’s one of the oldest JavaScript quirks. 🧠 null means no value, but JavaScript still treats it as an "object" due to a historical bug. Example: ✔ typeof 10 → "number" ✔ typeof "JS" → "string" ✔ typeof null → "object" ❌ 📌 Always check null explicitly in real-world code and interviews. #JavaScript #WebDevelopment #FrontendDeveloper #CodingTips #TodayILearned

💡 JavaScript Tip of the Day What will be the output? console.log([] + []); 👉 Answer: "" (empty string) JavaScript converts arrays to strings before concatenation 😄 #JavaScript #DeveloperLife #FrontendDeveloper #CodingTips #LearningJS

Day 31/100 🚀 Understanding JavaScript errors — syntax, reference, and type errors, how to read error messages, and better ways to debug and resolve issues. #100DaysOfCode #JavaScript #WebDev

💡 JavaScript Tip of the day What will be the output? console.log(typeof null); 👉 Answer: "object" Yes, it’s a well-known JavaScript bug 😉 #JavaScript #DeveloperLife #FrontendDeveloper #CodingQuestions #Developers

💡 JavaScript Event Loop 🧠 What is the Event Loop? It decides when synchronous and asynchronous code runs in JavaScript. ⚡ Why do we need it? JavaScript is single-threaded Event Loop handles async tasks without blocking the UI 🧠 Think Like This Call Stack → Task Queue → Microtask Queue → Event Loop 🎯 Interview One-Liner Event Loop keeps JavaScript non-blocking. 📌 Used In setTimeout Promises Async / Await #JavaScript #EventLoop #AsyncProgramming #FrontendDevelopment #InterviewTips

🚨 One of the most commonly asked JavaScript interview questions — Hoisting Before the code runs, JavaScript sets up memory for variables and functions. • Function declarations are fully hoisted and can be called before they are written • var is hoisted but initialized as undefined • let and const are hoisted but remain inaccessible until declared (TDZ) Understanding hoisting helped me write cleaner and more predictable JavaScript ⚡ #JavaScript #Hoisting #JSInterview #FrontendDevelopment

How does JavaScript handle memory? JS uses garbage collection to remove unused objects, preventing memory leaks. But developers must avoid circular references and lingering listeners. #WebPerformance #JavaScript

Only Experience and Senior Developers Know this This is what async / await looks like under the hood Or you can say: implementing asynchronous JavaScript without using async / await. #JavaScript #AsyncJavaScript #Promises #Generators #EventLoop #UnderTheHood #LearningJourney

Today I learn about the Shortest code in JavaScript, guess what it is ? it is an "empty .js file" 🚀 because, when we run a empty file in js, a global execution context (GEC) sill created ✅, although it does not allocate any memory space for variables and functions but still it stores the window object inside it. Even with 0 bytes of code, the engine still creates a **Global Execution Context**. #javascript JavaScript Notes

why react When we have JavaScript.? #javascript #reactjs. . . in react we can create reusable component and included in other pages.but if we are using only javascript we need to add the code in every page..this video explains tat clearly...