Find Dublicate element in Array reactJs
import React from 'react';const Practice = () => {const findDublicate = (arr) => {let sortArr = arr.slice().sort();console.log(sortArr)let Count = [];for (let i = 0; i < sortArr.length - 1; i++) {if (sortArr[i + 1] === sortArr[i]) {Count.push(sortArr[i]);}else{Count.push(sortArr[i]);}}return Count;}let arr = ['shreyash', 'dada', 'pappu', 'shreyash'];console.log(findDublicate(arr));return (<><h1>this is practice page</h1></>)};export default Practice;
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