ReactJS Evergreen Combobox Component - GeeksforGeeks

05 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. Combobox Component allows the user to select an option from a predefined list of options. We can use the following approach in ReactJS to use the Combobox Button Component.
Combobox Props:
item: It is used to denote the options to show in the menu.
selectedItem: It is used to denote the selected item when controlled.
onChange: It is a function that is called when value changes.
openOnFocus: It is used to open the autocomplete on focus when this is set to true.
initialSelectedItem: It is used to denote the default selected item when uncontrolled.
placeholder: It is used to denote the placeholder text.
itemToString: It is a function that is used on each item to return the string that will be shown on the filter in case the array of items is not an array of strings.
inputProps: It is used to denote the properties forwarded to the input.
buttonProps: It is used to denote the properties forwarded to the button.
autocompleteProps: It is used to denote the properties forwarded to the autocomplete component.
disabled: It is used to make the input element disabled.
isLoading: It is used to show a loading spinner when this is set to true.
size: It is used to denote the size of the component.
Creating React Application And Installing Module:
Step 1: Create a React application using the following command:npx create-react-app foldername 
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 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
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 { Combobox } from 'evergreen-ui'  export default function App() {  return (    <div style={{      display: 'block', width: 700, paddingLeft: 30    }}>      <h4>ReactJS Evergreen Combobox Component</h4>      <Combobox        placeholder="Select Week Days"        items={['Monday', 'Tuesday', 'Wednesday', 'Thursday',         'Friday', 'Saturday', 'Sunday']}        autocompleteProps={{          title: 'Weekdays'        }}      />    </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/combobox
ReactJS-Evergreen
ReactJS
Web Technologies
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