React Evergreen is a popular front-end library with a set of React components for building beautiful products as this library is flexible, sensible defaults, and User friendly. Portal Component provides a way for the user to render outside the current DOM tree. It is a simple utility component that helps with the ReactDOM.createPortal. We can use the following approach in ReactJS to use the Evergreen Portal Component.
Portal Props:
- children: It is used to denote the children for this component.
Creating React Application And Installing Module:
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Step 1: Create a React application using the following command:
npx create-react-app foldername
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Step 2: After creating your project folder i.e. foldername, move to it using the following command:
cd foldername
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Step 3: After creating the ReactJS application, Install the required module using the following command:
npm install evergreen-ui
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Project Structure: It will look like the following.
Project Structure
Example: Now write down the following code in the App.js file. Here, App is our default component where we have written our code.
App.js
import React from 'react'import { Portal, Pane } from 'evergreen-ui'  export default function App() {     return (     <div style={{       display: 'block', width: 700, paddingLeft: 30     }}>       <h4>ReactJS Evergreen Portal Component</h4>       <Portal>         <Pane           position="fixed"          background="green"          padding={20}           right={0}           bottom={0}         >Sample Portal Text!         </Pane>       </Portal>     </div>   ); } |
Step to Run Application: Run the application using the following command from the root directory of the project:
npm start
Output: Now open your browser and go to http://localhost:3000/, you will see the following output:
Reference: https://evergreen.segment.com/components/portal
