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Basics of JavaScript: How to Work with Date and Time

Introduction Date and time are not only critical components of routine life but also a part of computer programming. Whether you need them to book appointments or display a calendar, there are many reasons why you would require a date and time. The applications of date and time features are extensive and extremely versatile. The versatility comes from the fact …

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A Tutorial on Working with JSON in JavaScript

Introduction There are many ways that JSON can be used in JavaScript. One of its most basic uses is storing data. You can also use it to transfer data between clients, between servers, or from server to client. Other useful applications include the ability to configure and verify data as well as generate data structures. In this tutorial, we will …

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How to Deploy a Node.js (Express.js) App with Docker on Ubuntu 20.04

Introduction Docker is a container platform that is a lightweight, virtualized, portable, software-defined standardized environment. It allows the software to run in isolation from other software running on the physical host machine. Docker is a defining component of the Continuous Development and Integration aspect of Software Development. It offers a lightweight alternative to virtual machines and allows developers to enjoy …

Node.js Applications

Setting up Node.js Applications: How to Perform Production Tasks on Ubuntu 20.04 with Node.js

Introduction Node.js is a programming environment that runs primarily on JavaScript. The open-source program allows you to build networking applications on platforms running Windows, Linux, macOS, and others. You can use Node.js applications in two main ways: as command line apps or as services. Using a Node.js app as a service means that it will restart on reboot. This makes …

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JavaScript: a Tutorial on How to Index, Split, and Manipulate Strings

Introduction If you want to work in JavaScript, you need to be familiar with strings. A string is a sequence of characters that can be letters, numbers, or symbols. In terms of quantity, it can be one or more than one character. Each character in a string is associated with a number. This is the index number that you can …

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An Overview of the JSON Data Sharing Format

JavaScript Object Notation (JSON for short and pronounced much like the name ‘Jason’), is a type of data sharing format. As evidenced by its name, JSON stems from JavaScript, but it is not the sole code proprietor that permits its utilization. In fact, many other programming languages have it available for their use including Ruby, PHP, Python, and Java. When …

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What is jQuery and How Can You Use It?

Introduction If you are familiar with the world of programming, you know just how important programming languages are. Some of the most critical and frequently used ones include HTML, CSS, and JavaScript. Where HTML and CSS help you design and structure your website, JavaScript enables you to make it interactive. There are a number of JavaScript libraries you can use …

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Working with JavaScript: How Classes Operate 

Introduction Every object in JavaScript, a prototype-based language, contains an internal property named the [[Prototype]]. Its utility extends to the manipulation of object properties and methods. Mimicking the object-oriented design pattern of JavaScript, most developers utilize construction functions. One of these functions is the concept of classes, introduced to JavaScript via the ECMAScript 2015 language specification. JavaScript’s classes provide a …

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Working with JavaScript: How Prototypes and Inheritances Operate

Introduction JavaScript is one of the most popular programming languages. If you know anything about computer programming, you have probably heard of JavaScript. If you dig into a little more detail, you will discover that JavaScript is a prototype-based language. This means that you can use general objects to share object properties and methods. You can clone or even extend …

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A Guide on Adding JavaScript to HTML

Introduction JavaScript needs no introduction. It is one of the most popular programming languages for web development. It works similar to HTML and CSS. All of these languages help design and develop web-based applications and programs. So how is JavaScript useful in particular? With the help of JavaScript, you can make your web applications and web pages quite interactive. There …