Function Declaration vs Function Expression

Hello readers 👋, welcome back to 7th blog in this JavaScript series . Imagine you have a recipe book . Every time you want to cook a dish, you don't invent it from scratch – you just open the book, read the recipe, and follow it. That recipe is reusable. In JavaScript, functions are exactly that – reusable blocks of code that you can "call" whenever you need them. But did you know there are two ways to create these recipes? Function Declaration Function Expression They look similar, but they behave differently in some important ways. Let's explore them with simple examples. What Are Functions and Why Do We Need Them? A function is a block of code designed to perform a particular task. It runs only when you call (invoke) it. Why use functions? Reusability – Write once, use many times. Organization – Break complex problems into small pieces. Readability – Give a name to a block of code, making it easier to understand. Example: // A function that adds two numbers function add ( a , b ) {