Tag: technology

The ES2021 (ES12) will be released in the middle of 2021. In this tutorial, you will learn about the five most interesting features from this specification: String.prototype.replaceAll(), numeric separators, logical assignment operators, Promise.any(), WeakRef and Finalizers.

JavaScript classes are popular feature of JavaScript. This tutorial will help you learn what you should know so you can get started with JavaScript classes. You will learn about class constructor, properties and methods. You will also learn what public, static and private class fields are.

undefined and null are two data types in JavaScript that can sometimes be confusing. This tutorial will help you learn about them. It will explain what undefined and null in JavaScript are. You will also learn what are some differences between these two and how to work with them.

Objects are one area every JavaScript developer must know very well. Accessing object properties belongs to this area as well. In this tutorial, you will learn how to access object properties in three ways. You will learn how to use dot notation, bracket notation and destructuring.

Method chaining is popular method that can help you write more concise and readable code. In this tutorial, you will learn what method chaining in JavaScript is and how it works. You will also learn how to use method chaining to improve the quality and readability of your code.

Objects are one of the fundamental data types in JavaScript. As a JavaScript developer, you will find yourself working with them frequently. One thing that will be useful is knowing how to create them. In this tutorial you will learn how to create objects in JavaScript in six ways.