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ReactJS UI Ant Design InputNumber Component

  • Last Updated : 21 May, 2021

Ant Design Library has this component pre-built, and it is very easy to integrate as well. InputNumber Component allows the user to enter a number within a certain range with the help of a keyboard or mouse. We can use the following approach in ReactJS to use the Ant Design InputNumber Component.

InputNumber Methods:

  • blur(): This method is used to remove the focus from the element.
  • focus(): This method is used to get the focus on the element.

InputNumber Props:

  • autoFocus: It is used to get the focus when the component is mounted.
  • bordered: It is used to specify whether it has border style or not.
  • decimalSeparator: It is used to indicate the decimal separator.
  • defaultValue: It is used to specify the initial value.
  • disabled: It is used to disable the input.
  • formatter: It is used to specify the format of the value presented.
  • keyboard: It is used to enable keyboard behavior.
  • max: It is used to denote the maximum value.
  • min: It is used to denote the minimum value.
  • parser: It is used to specify the extracted value from formatter.
  • precision: It is used to denote the precision of input value.
  • readOnly: It is used to make the input read-only.
  • size: It is used to indicate the height of the input box.
  • step: It is used to denote the number to which the current value is decreased or increased.
  • stringMode: It is used to set value as string to support decimals of high precision.
  • value: It is used to denote the current value.
  • onChange: It is the callback function which is triggered when the value is changed.
  • onPressEnter: It is the callback function which is triggered when the user press the enter key.
  • onStep: It is the callback function which is triggered when the user clicks up or down buttons.

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 antd

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, { useState } from 'react'
import "antd/dist/antd.css";
import { InputNumber } from 'antd';
  
export default function App() {
  
  // Our state to hold current value of input
  const [currentValue, setCurrentValue] = useState(0)
  
  return (
    <div style={{ display: 'block', width: 700, padding: 30 }}>
      <h4>ReactJS Ant-Design InputNumber Component</h4>
      <InputNumber min={0} defaultValue={0}
        onChange={(value) => {
          setCurrentValue(value)
        }} /> <br />
      Current Entered Value : {currentValue}
    </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://ant.design/components/input-number/




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