Answered: 1. Create a file named dedup.js. Write…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

1. Create a file named dedup.js. Write a program that removes duplicates from an array. The program should be able to read an unspecified number of numbers input by the user. The user should enter a negative number when they are done entering scores. The program should remove all duplicates from the array and then iterate over the new array and display it.

dedup.js

const readline = require('readline');

const rl = readline.createInterface({

input: process.stdin,

output: process.stdout

});

const numbers = [];

function readInput() {

rl.question('Please enter a number or enter a negative to exit: ', (input) => {

if (input < 0) {

let deduped = [...new Set(numbers)];

console.log('Your array without duplicates is:', deduped);

rl.close();

} else {

numbers.push(Number(input));

readInput();

}

});

}

readInput();

2. Create a file named dedeup_2.js. Modify your dedup program and prompt the user to enter a number n. Remove all elements from the array that occur more than n times.

I got program for assigment 1, can you help me with assigment 2. Thank you.

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