Master JavaScript with easy-to-follow tutorials and resources. Learn JavaScript basics, advanced concepts and how to add interactivity to your website.
When working with arrays in JavaScript, we often encounter scenarios where we need to manipulate nested arrays or transform elements. Two useful methods that help with these tasks are flat() and flatMap(). While they share similarities, they serve different purposes. In this blog post, we’ll break down these methods, compare their functionalities, and explore real-world
Introduction JavaScript is a powerful and flexible programming language, and one of its most useful features is the ability to work with arrays and objects in an efficient manner. The spread operator (…) and rest operator (…) both use the same syntax of three dots (…), but they serve entirely different purposes. Understanding the difference
JavaScript is a versatile language that’s packed with powerful features. Whether you’re a beginner or have been coding for a while, knowing some handy tips and tricks can make your development process smoother. In this blog, we’ll explore several useful JavaScript features including Array.from(), Object.seal() and Object.freeze(), flatMap(), insertAdjacentHTML(), createTreeWalker(), how to remove duplicates from
1. Grouping in JavaScript: Object.groupBy() and Map.groupBy() For a long time, JavaScript didn’t have a simple, built-in way to group items in arrays based on a condition or property. Developers often had to write custom code using loops or reduce(). While this worked, it wasn’t always efficient or easy to understand, especially for beginners. Now,