JavaScript var vs let vs const: Best Practices

In JavaScript, == and === are both comparison operators — but they behave differently. == → Compares values === → Compares both value and type Example: 5 == "5" → true 5 === "5" → false For cleaner and more predictable code, always prefer === ✅ #JavaScript #WebDevelopment #CodingTips

Got a minute for some JavaScript? 📏 What do you know about the length property of functions? Answers 🔍 >>> 3 1 1 You can remember it this way: The length property of a function equals the number of parameters before the first parameter with a default value. #javascript #webdevelopment

Got a minute for some JavaScript? 🍒 What does this code output? Answers 🔍 >>> - "Tom says meow" - TypeError: c.createKitten is not a function - "Kitty says meow" Why the TypeError? *createKitten* is a static method - it lives on the *Cat* constructor, not on instances. *c* is an instance, so it cannot access static methods. Only *Cat.createKitten()* works. #javascript #webdevelopment

https://lnkd.in/dgECwK-b Day 57/100 🚀 Refactored my AttendTrack project — improved the layout, fixed the counting functionality, and converted it into a PWA so it can work offline. #100DaysOfCode #JavaScript #WebDev

⚡ JavaScript Performance Tip: Debounce vs Throttle Debounce → Runs after the delay Throttle → Runs every fixed interval #javascript #frontenddevelopment #reactjs #webperformance #webdevelopment

Day 86 / 365 👨💻 Light practice focused on strengthening basics. 🧩 Revisited React component structure ⚙️ Practiced small state updates with useState 🔁 Observed re-render behavior in simple examples 🧠 Focused on keeping logic clear and predictable #365DaysOfCode #React #JavaScript #Frontend

Today I practiced a small JavaScript program to change the background color when a button is clicked. When the button is pressed, JavaScript triggers a function that changes the page’s background color using DOM manipulation. This helped me understand: ✔ Event handling ✔ onclick function ✔ DOM manipulation ✔ How JavaScript interacts with HTML & CSS Small practice, better understanding 🚀 #JavaScript #WebDevelopment #Frontend #CodingPractice #LearningJourney

Got a minute for some JavaScript? 🍵 What does this code output? Answers 🔍 >>> - ReferenceError: message is not defined Why? Because let lives only inside the block where it’s created. In this code, message is created inside the *if {}* and *else {}* blocks. When JavaScript reaches *console.log(message)*, it is already outside those blocks, so the variable no longer exists. #javascript #webdevelopment