Author: saqibkhan

A map is a data collection type where data is stored in the form of pairs. It contains a unique key. The value stored in the map must be mapped to the key. We cannot store a duplicate pair in the map(). It is because of the uniqueness of each stored key. It is mainly…

Single-page applications gaining popularity over the last few years, so many front-end frameworks have introduced such as Angular, React, Vue.js, Ember, etc. As a result, jQuery is not a necessary requirement for building web apps. Today, React has the most used JavaScript framework for building web applications, and Bootstrap become the most popular CSS framework.…

The animation is a technique in which images are manipulated to appear as moving images. It is one of the most used technique to make an interactive web application. In React, we can add animation using an explicit group of components known as the React Transition Group. React Transition Group is an add-on component for managing…

CSS in React is used to style the React App or Component. The style attribute is the most used attribute for styling in React applications, which adds dynamically-computed styles at render time. It accepts a JavaScript object in camelCased properties rather than a CSS string. There are many ways available to add styling to your React App or Component…

Routing is a process in which a user is directed to different pages based on their action or request. ReactJS Router is mainly used for developing Single Page Web Applications. React Router is used to define multiple routes in the application. When a user types a specific URL into the browser, and if this URL…

In React, whenever you want to render something on the screen, you need to use a render method inside the component. This render method can return single elements or multiple elements. The render method will only render a single root node inside it at a time. However, if you want to return multiple elements, the render method will require…

Refs is the shorthand used for references in React. It is similar to keys in React. It is an attribute which makes it possible to store a reference to particular DOM nodes or React elements. It provides a way to access React DOM nodes or React elements and how to interact with it. It is used when we want…

A key is a unique identifier. In React, it is used to identify which items have changed, updated, or deleted from the Lists. It is useful when we dynamically created components or when the users alter the lists. It also helps to determine which components in a collection needs to be re-rendered instead of re-rendering…

Lists are used to display data in an ordered format and mainly used to display menus on websites. In React, Lists can be created in a similar way as we create lists in JavaScript. Let us see how we transform Lists in regular JavaScript. The map() function is used for traversing the lists. In the…

An event is an action that could be triggered as a result of the user action or system generated event. For example, a mouse click, loading of a web page, pressing a key, window resizes, and other interactions are called events. React has its own event handling system which is very similar to handling events…