Imagine writing a function that runs right away as soon as you create it, without needing to call it by name. This might sound like magic, but in JavaScript, it’s a common trick called an IIFE, which stands for Immediately…
In JavaScript, the Module Pattern is a popular way to organize and structure your code, especially when you’re building bigger projects. It helps you keep parts of your code separate from each other, making it easier to manage and understand.…
Closures in JavaScript are like secret keepers. Imagine you have a box where you put your secret note. Even if you give the box away, the note inside is still yours. Closures work similarly in JavaScript. They let you keep…
In JavaScript, when you’re working with functions, sometimes you need to handle more arguments than you have parameters for. This is where rest parameters and the arguments object come in handy. They might sound a bit complicated, but they’re actually…
Imagine you’re making a sandwich and you have a default way of making it unless someone asks for something different. That’s kind of how default parameters work in JavaScript functions. Before this feature was added to JavaScript, if you didn’t…
Arrow functions are a cool feature in JavaScript that make writing functions shorter and simpler. Introduced in ES6 (a major update to JavaScript’s language), arrow functions have a unique syntax and some interesting features that set them apart from traditional…
In JavaScript, where you can use a variable and where it exists is determined by its “scope.” With the introduction of let and const in ES6 (a newer version of JavaScript), managing scope, especially “block scope,” has become much clearer…
In JavaScript, we often need to go through elements in an object or an array. That’s where for…in and for…of loops come into play. They might seem similar but are used for different purposes. Let’s dive into what makes them…
In JavaScript, loops are like a superpower for doing the same task over and over without writing the same code many times. There are a few different types of loops, but the three main ones are for, while, and do-while.…
Destructuring assignment in JavaScript is like unpacking a box of items and placing each item where it belongs in your house. When the box is an object, you can take out its properties and put them into variables. This makes…