A Promise is an object that represents either the completion or failure of a user task. A promise in JavaScript can be in three states pending, fulfilled, or rejected....

Web development refers to the creating, building, and maintaining of websites. It includes aspects such as web design, web publishing, web programming, and database management. One of the most famous stack that is used for Web Development is MERN stack. This stack provides an end-to-end framework for the developers to work in and each of these technologies play a big part in the development of web applications....

In this article, we will discuss some methods of dynamically adding the options to the select element using jQuery. jQuery has a lot of in-built methods. But, we will use some of them to accomplish the purpose of dynamically adding the options to the select element as listed below:...

In this article, we will learn how we can change the background color of an element once a button is clicked by the user using JavaScript and jQuery....

There is no direct comparison between SOAP and REST APIs. But there are some points to be listed below which makes you choose better between these two web services. Here are:...

We will see how to compare two arrays in JavaScript. First, we need to compare whether the length of both arrays should be the same or not, and then whether objects present in them are of the same type and whether each item of one array is equal to the other array or not....

In JavaScript, an array acts like like list. It’s a way to group multiple items together under one name. You can store different things in your list, like numbers, words, or even other lists. Each item in the list has its own place, and you can access it using a number called its “index.”...

The HTML <div> tag defines sections in HTML documents, serving as containers styled with CSS or controlled with JavaScript. It’s easily customized using class or id attributes and can contain various content....

A firewall is a network security device that prevents unauthorized access to a network. It monitors both incoming and outgoing traffic using a predefined set of security to detect and prevent threats....

All the React components can have a state associated with them. The state of a component can change either due to a response to an action performed by the user or an event triggered by the system. Whenever the state changes, React re-renders the component to the browser. Before updating the value of the state, we need to build an initial state setup. Once we are done with it, we use the setState() method to change the state object. It ensures that the component has been updated and calls for re-rendering of the component....

The file upload is an essential component to make a form that store some image kind of data. It helps in applications using image upload or in the file sharing. This file-upload component uses file.io API for uploading file and in return it provides a shareable link. Furthermore, we can send get request to shareable link to get the file but for now, our only focus is on upload section so we only use the post method....

A time table or schedule is essential for organizing tasks, events, or classes. We’ll create a basic time-table layout using HTML. A Table is an arrangement of rows and columns. Anyone can create a table by knowing the basics of HTML(HyperText Markup Language). In HTML we can use the <table> tag....