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In HTML write a program that calculates and displays all factors of a number with a...

In HTML write a program that calculates and displays all factors of a number with a function. A factor is any number that divides into a number evenly.

For examples: Factors of 20 are 1,2,4,5,10,20

For the program:

  1. Prompt the user for a number or use an input
  2. Call a function to calculate all factors using loops and conditionals and modulus
  3. Display all factors to the page

Bonus +5

If the factor is Even : Print it in Green

If The Factor is Odd : Print it in Red

engineering   Computer-Science   
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Homework Answers

Answer #1

the HTML code with function is given below:-

<!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>

    <p>Enter a number:</p>

    <input type="text" id="inp" />

    <input type="submit" onclick="factors()" value="Factors" />

    <!-- here I am taking a input and then on clicking the submit button it will run the factors function -->

    <p id="result"></p>

    <script>

      function factors() {

        // in factors function I have iterated till the number and

        document.getElementById("result").innerHTML = ""; // checked if any number is divible by it or not

        document.getElementById("result").innerHTML = "Factors are:"; // if divisible then printed it

        var num = document.getElementById("inp").value;

        var count = 0;  // this variable is to check wheather the factors are odd or even

        for (let index = 1; index <= num; index++) {

          if (num % index == 0) {

            count++;

            document.getElementById("result").innerHTML += index + " ";

          }

          if (count % 2 == 0) {  // of even then i am adding the style green to it

            document.getElementById("result").style.color = "green";

          } else {  // else style red to it

            document.getElementById("result").style.color = "red";

          }

        }

      }

    </script>

  </body>

</html>

FOR BETTER UNDERSTANDING PLEASE GO THROUGH THE SCREENSHOT:-

THE OUTPUT AND HTML WINDOW:-

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