In React Strict Mode, you can identify possible codebase problems in your application. By enabling Strict Mode, React provides additional warnings and checks during rendering and updates to help you avoid common mistakes and unsafe practices.
Strict Mode can be enabled by wrapping the root component of your React application with the React.StrictMode component.
import React from 'react'; import ReactDOM from 'react-dom'; ReactDOM.render( <React.StrictMode> <App /> </React.StrictMode>, document.getElementById('root') );
When you wrap your App component in React.StrictMode, React will perform additional checks and warn you about potential errors.
The Strict Mode was designed for development purposes, not for production environments. Although some of the additional checks and warnings may result in legitimate warnings, they are designed to help you find and fix potential problems early on in the development process.