Question

In: Computer Science

Write a program that uses an array for time and temperature. The program should contain an...

Write a program that uses an array for time and temperature. The program should contain an array with 24 elements, each of which is holding a temperature for a single hour.

Your program should have a function that lists all of the temperatures that are held in the array. Temperatures should be listed to console with one entry per line.

Your program should have a function that lists a single temperature entry. You should ask the user for a number and list that entry from newest to oldest. For example if the user enters 5, then you should show the entry from 5 hours ago.

Your program should have a function that adds an entry to the array and shifts the oldest entry out of the array. (You must keep 24 entries.)

Your program should ask the user if they want to list all of the entries, list a single entry, or enter a new entry. Your program should continue to loop until the user clicks the cancel button OR clicks the enter button without entering a choice.

use let
And console.log for the coding

Javascript language console.log and use let

Solutions

Expert Solution

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

    <script>
//for testing 
        //let temp = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24];
let temp=[]
        function AddEntry() {
            let x = prompt("Enter Temperature:");
            temp.unshift(x);
            if (temp.length > 24)
                temp.pop();
        }

        function SingleEntry() {

            num = prompt("Enter Number");

            let temp_at = temp[parseInt(num) - 1];
            console.log("Temperature :", temp_at);


        }

        function ListAllEntry() {
            for (let i = 0; i < temp.length; i++)
                console.log(temp[i]);
        }
        let loop = true;

        while (loop) {

            let choice = prompt("Enter Choice :\n1.Show all Entry\n2.Add temp\n3.Show Single Entry\n")
            if (choice === null) {
                loop = false;
                break;
            }
            // console.log(choice," ",typeof(choice));
            switch (choice) {
                case "1":
                    ListAllEntry();
                    break;
                case "2":
                    AddEntry();
                    break;
                case "3":
                    SingleEntry();
                    break;
            }
        }
    </script>

</body>

</html>

venereology answered 8 months ago
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