WeakMap is one of the most underrated and least used data structures in JavaScript. There are many JavaScript developers who don’t even know they exist. This tutorial will help you understand them. You will learn about what WeakMaps are, how they work and how they differ from Maps.
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What WeakSet in JavaScript is and How It Works
WeakSet is one of the newer objects in JavaScript, a JavaScript collection. This collection can seem a bit esoteric. Many JavaScript developers don’t know much about it, or at all. In this tutorial, you will learn what WeakSet in JavaScript is, how it works and also when it might be useful.
Optional Chaining in JavaScript and How It Works
Optional Chaining is one of the newest features in JavaScript. This feature may seem insignificant. However, it can save you a lot of time, code and also a lot of headaches. In this tutorial, you will learn what this feature is about, how it works and how to use it to write better JavaScript code.
Private Class Fields and Methods in JavaScript Classes
JavaScript private class fields and methods are new features for JavaScript classes. In this tutorial, you will learn all you need to know about this feature. You will learn about what private methods and class fields are and how they work. You will also learn how to use them in your projects.
What Javascript Spread Operator is, How It Works and How to Use It
JavaScript spread operator is one of the more popular features that were introduced in ES6. This tutorial will help you understand it. You will learn what spread operator is and how it works. You will also learn how to use it to copy and merge arrays and object literals, insert data and more.
Getting Started With the JavaScript Fetch API
In the past, there were two ways to make requests. One was with XMLHttpRequest. The other was with jQuery, namely the ajax() method. Fortunately, JavaScript now offers a third way, the Fetch API. In this tutorial, you will learn all you need to know to get started with JavaScript Fetch API.