JavaScript

As web developers, optimizing the performance of our applications is always a priority. Balancing the execution of tasks while ensuring the user experience remains smooth is a key part of that process. One useful tool to achieve this is requestIdleCallback, a feature in JavaScript that allows you to schedule non-urgent

JavaScript’s Set is a powerful data structure often overlooked in favor of more familiar arrays. Yet, it’s an incredibly efficient tool for managing collections of unique values, with built-in methods that make handling data a breeze. If you're tired of managing duplicates or writing manual loops

In the world of web development, the term polyfill comes up quite often, especially when dealing with browser compatibility and older web technologies. But what exactly is a polyfill? And why is it important for developers, especially beginners, to understand? Let’s break it down. What is a Polyfill? A

When diving into the world of JavaScript, especially if you're exploring technical discussions or reading specification documents from bodies like TC39, you might come across the term "userland". If you're a beginner, this term may seem a bit confusing, but don’t worry—it&

When working with JavaScript, managing collections of data is a common task. While arrays and objects can get you far, JavaScript offers more powerful structures: Map, WeakMap, Set, and WeakSet. These are specialized tools designed to handle collections with unique characteristics, and knowing when to use them can make your