How to use the Constructor method In Web Technology
In this approach, we use the constructor method to set the initial state. Make sure to call super(props) before initializing the state.
Javascript
class MyComponent extends React.Component { constructor(props) { super(props); this.state = { count: 0, }; } render() { return <div>{this.state.count}</div>; } } |
How do you initialize state in a class component?
In React, class components are a way to create and manage stateful components. Initializing the state is a crucial step when working with class components as it allows you to store and manage dynamic data that can be updated and affect the component’s rendering. In this article, we will explore how to initialize the state in a class component, including various considerations and best practices.
We have discussed different approaches below to initialize the state in class component:
Table of Content
- Using the constructor method:
- Class Property (public class field syntax) with Babel:
- Static getDerivedStateFromProps method (rarely used):