If the prompt displays 'Monday', then you can output the following days in the console: 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', and 'Sunday'

Could someone assist me with modifying my code so that the entered day is displayed at the end of all days in the console? Currently, it shows up at the top. Here is what I have tried:

JavaScript

const daysOfWeek = ["monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"];
let currentDay = prompt("Enter day of week:");
while (!daysOfWeek.includes(currentDay)) {
  currentDay = prompt("Invalid day. Enter day of week:").toLowerCase();
}
let currentDayPassed = false;
const daysLeft = [];
for (let i = 0; i < daysOfWeek.length; i++) {
  if (daysOfWeek[i] === currentDay) {
    currentDayPassed = true;
  }
  if (currentDayPassed) {
    daysLeft.push(daysOfWeek[i]);
  }
}
console.log(daysLeft);
javascriptarrays

Answer №1

If you want to streamline your code, consider utilizing the indexOf function to locate the position of a specific day within an array. You can then use this information to divide the array into two portions before and after the chosen day:

const daysOfWeek = ["monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"];
let currentDay = prompt("Please input a day of the week:");
let dayIndex = daysOfWeek.indexOf(currentDay);
while (dayIndex < 0) {
  currentDay = prompt("Invalid day. Please enter a valid day of the week:").toLowerCase();
  dayIndex = daysOfWeek.indexOf(currentDay);
}

let remainingDays = daysOfWeek.slice(dayIndex+1).concat(daysOfWeek.slice(0, dayIndex+1))

console.log(remainingDays);

Answer №2

If you're looking to achieve this task in a straightforward manner, consider the following solution:

let days = ["monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"];

// You got this part right :-)
let selectedDay = prompt("Enter day of week:").toLowerCase();
while(!days.includes(selectedDay)){
    selectedDay = prompt("Invalid day. Enter day of week:").toLowerCase();
}

// Get the index of the selected day.
const selectedDayIndex = days.indexOf(selectedDay);

// Extract elements from the beginning of the original array based on the selected day,
// and store them in the croppedDays variable.
const croppedDays = days.splice(0, selectedDayIndex + 1);

// Append the extracted days to the end of the modified array.
days = [...days, ...croppedDays];
console.log(days);

If you're uncertain about how the .splice() method works, it might be helpful to review it for better understanding.

I hope this explanation proves beneficial!

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