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The render Method

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Written by admin
May 21, 2023

In React, the render method is used to render a React component or element into the DOM (Document Object Model). It is commonly used with the ReactDOM library to render components into a specific container element in the HTML document.

Here’s an example of how the render method is used:

import React from 'react';
import ReactDOM from 'react-dom';

function App() {
  return <h1>Hello, world!</h1>;
}

const rootElement = document.getElementById('root');
ReactDOM.render(<App />, rootElement);

In this example, we have an App component that renders a heading element. The ReactDOM.render method is called with the App component as the first argument and the DOM element retrieved using document.getElementById('root') as the second argument. This renders the App component into the specified root element in the DOM.

The render method is typically called once during the initial setup of the application. React takes care of efficiently updating and re-rendering components as needed when the underlying data or state changes.

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