How to allow duplicates in mui autocomplete in react js?

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To allow duplicates in mui autocomplete in React js, you can use isOptionEqualToValue={() => false}. It will allow duplicates in mui autocomplete in react js.

Today, I am going to show you, how to allow duplicates in mui autocomplete in react js.

Installation

Install the following packages to use allow duplicates in mui autocomplete in react js.

npm

npm install @mui/material @emotion/react @emotion/styled

yarn

yarn add @mui/material @emotion/react @emotion/styled

MUI material allow duplicates in mui autocomplete example.

The code below is an example of a Material UI autocomplete that allows duplicates. You have to import @mui material autocomplete and this code makes multiple={true} chip. With the help of this code isOptionEqualToValue = {() => false} the duplicate chip is created.

App.js

import * as React from 'react';
import TextField from '@mui/material/TextField';
import Autocomplete from '@mui/material/Autocomplete';

export default function ComboBox() {
  return (
      <Autocomplete
      multiple={true}
      isOptionEqualToValue={() => false}
      options={[{ id: 1, value: "One"}, {id: 2, value: "Two"}, {id: 3, value: "Three"}]}
      getOptionLabel={(item) => item.value}

      sx={{ width: 300 }}
      renderInput={(params) => (
      <TextField {...params} label="Multi Select" variant="outlined" />
      )}
    />
  );
}

In the above code example, I have used the @mui/material component and allow duplicates in mui autocomplete in reate js .

Check the output of the above code example.

All the best 👍