days.js

// Complete the function which returns the weekday according to the input number:

// 1 returns "Sunday"
// 2 returns "Monday"
// 3 returns "Tuesday"
// 4 returns "Wednesday"
// 5 returns "Thursday"
// 6 returns "Friday"
// 7 returns "Saturday"

// Otherwise returns "Wrong, please enter a number between 1 and 7"

whatday = num => {
  switch (num) {
    case 1: return 'Sunday';
    case 2: return 'Monday';
    case 3: return 'Tuesday';
    case 4: return 'Wednesday';
    case 5: return 'Thursday';
    case 6: return 'Friday';
    case 7: return 'Saturday';
    default: return 'Wrong, please enter a number between 1 and 7';
  }
}

// *********************************************************

whatday = num => ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'][num] || 'Wrong, please enter a number between 1 and 7'

console.log(whatday(2));