Category: JavaScript

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.

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.

JavaScript classes are one of the most discussed features of ES6. Two interesting features of classes are static methods and properties. In this tutorial, you will learn what static methods and properties are and how they work. You will also learn a bit about class inheritance and how it relates to static properties and methods.

Have you ever heard about maps in JavaScript? Maps are a new object type that was introduced in ES2015. In this tutorial, you will learn all you need to know about this lesser known object type. You will learn about what maps in JavaScript are, how they work and how to use them.

Sets are a new object type introduced in ES6 (ES2015). Although they are lesser known, they can be very useful and powerful. This tutorial will help you learn all you need to know about them. You will learn about what sets in JavaScript are, how they work and how to use them.

Prototypal inheritance is one of the topics in programming every developer should know. This tutorial will help you learn what prototypal inheritance is, how it works and how to use it. You will learn about [[Prototype]], __proto__, how to change prototypes and much much more.