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ReactJS Evergreen Radio Component

  • Last Updated : 11 Jun, 2021

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. Radio Component allows the user to select one option from a set or list of items. We can use the following approach in ReactJS to use the Evergreen Radio Component.

Radio Props:

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  • id: It is used to denote the id attribute of the radio.
  • name: It is used to define the name attribute of the radio.
  • label: It is used to denote the label of the radio.
  • value: It is used to denote the value attribute of the radio.
  • onChange: It is a callback function that is called when the state changes.
  • disabled: The radio is disabled when this is set to true.
  • checked: The radio is checked when this is set to true.
  • size: It is used to denote the size of the radio circle.
  • isRequired: The radio gets the required attribute when this is set to true.
  • isInvalid: The aria-invalid attribute is true when this is set to true.
  • appearance: It is used for the appearance of the checkbox.

RadioGroup Props:

  • options: It is used to pass the options for the radios of the Radio Group.
  • value: It is used to denote the selected item value when controlled.
  • defaultValue: It is used to denote the default value of the Radio Group when uncontrolled.
  • onChange: It is a callback function that is called when the state changes.
  • label: It is used to denote the label of the radio.
  • size: It is used to denote the size of the radio circle.
  • isRequired: The radio gets the required attribute when this is set to true.



 

Creating React Application And Installing Module:

  • Step 1: Create a React application using the following command:

    npx create-react-app foldername
  • Step 2: After creating your project folder i.e. foldername, move to it using the following command:

    cd foldername
  • Step 3: After creating the ReactJS application, Install the required module using the following command:

    npm install evergreen-ui

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 { RadioGroup } from 'evergreen-ui'
  
export default function App() {
  
  const [ageGroup, setAgeGroup] = React.useState('0-10 years')
  
  return (
    <div style={{
      display: 'block', width: 700, paddingLeft: 30
    }}>
      <h4>ReactJS Evergreen Radio Component</h4>
      <RadioGroup
        label="Please select your Age group"
        value={ageGroup}
        options={[
          { label: '0-10 years', value: '0-10 years' },
          { label: '10-20 years', value: '0-10 years' },
          { label: '20-40 years', value: '0-10 years' },
          { label: '40-60 years', value: '40-60 years' },
          { label: 'Above 60 years', value: ' Above 60 years' },
        ]}
        onChange={e => setAgeGroup(e.target.value)}
      />
    </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/radio




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