React Class

React Class

React is a popular JavaScript library for building user interfaces. One of the key features of React is the ability to create components using a class-based syntax. In this tutorial, we will cover the basics of creating a React class component.

First, let's start by creating a new file called "MyComponent.js" and import React at the top of the file.

Next, we will create our class component by extending the React.Component class

Within the class, we need to define a render method that will return the JSX for our component.

To use our component, we need to export it and import it into the file where we want to use it.

And in the file where we want to use it, we can import it like this:

We can then render the component using JSX:

In addition to the render method, class components also have access to lifecycle methods such as componentDidMount and componentWillUnmount. These methods allow you to run code at specific points in the lifecycle of the component.

For example, you can use componentDidMount to make an API call and set the state of the component with the returned data.

In this tutorial, we covered the basics of creating a React class component. We learned how to create a new class component, define the render method, and export the component for use in other files. We also looked at some of the lifecycle methods that are available to class components. With this knowledge, you should be able to create your own class components and start building dynamic and interactive user interfaces with React.