Lab 4 - JavaScript Tasks

var name = "Abdy";
var age = 21;
var isStudent = true;
var university = "Your University Name";
var city = "Your City";
var country = "Your Country";
var degreeName = "BS Computer Science";
var semester = 5;
var cgpa = 3.4;

function isPrime(num) {
  if (num < 2) return false;
  for (let i = 2; i * i <= num; i++) {
    if (num % i === 0) return false;
  }
  return true;
}

let givenPrime = 15;
let next = givenPrime + 1;
while (!isPrime(next)) {
  next++;
}

function createPhoneNumber(numbers) {
  let area = "" + numbers[0] + numbers[1] + numbers[2];
  let prefix = "" + numbers[3] + numbers[4] + numbers[5];
  let line = "" + numbers[6] + numbers[7] + numbers[8] + numbers[9];
  return "(" + area + ") " + prefix + "-" + line;
}

function roundMe(...args) {
  if (args.length === 0) return 0;
  if (args.length === 1) return Math.round(args[0]);
  let result = [];
  for (let i = 0; i < args.length; i++) {
    result.push(Math.round(args[i]));
  }
  return result;
}

function abs(...args) {
  if (args.length === 0) return 0;
  if (args.length === 1) return Math.abs(args[0]);
  let result = [];
  for (let i = 0; i < args.length; i++) {
    result.push(Math.abs(args[i]));
  }
  return result;
}

function sumOfMultiples(x, y, z) {
  let sum = 0;
  for (let i = 1; i < z; i++) {
    if (i % x === 0 || i % y === 0) {
      sum += i;
    }
  }
  return sum;
}