JavaScript/part3.html at master · marbleindex/JavaScript · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <!--Kristian Reyes 9/12/2020 -->
    <title>CNIT 133 Homework 2</title>
    <meta charset="utf-8">
      <meta name="description" content="homework 2 for CCSF CNIT 133">
        <meta name="keywords" content="HTML, CSS, Javascript, CCSF, Student">
          <meta name="author" content="Kristian Reyes">
            <meta name="viewport" content="width=device-width, initial-scale=1">
              <!--bootstrap    -->
              <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
                <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
                <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
                <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
                <!--bootstrap    -->
                <script>
         function process() { //variable for input function
         var number1, number2, number3, number4, number5, n1, n2, n3, n4, n5, countneg, countposi, countzeroes;

         number1 = document.forms["myform"].elements["num1"].value;
         number2 = document.forms["myform"].elements["num2"].value;
         number3 = document.forms["myform"].elements["num3"].value;
         number4 = document.forms["myform"].elements["num4"].value;
         number5 = document.forms["myform"].elements["num5"].value;


         n1 = parseInt(number1); //input numbers 1-5
         n2 = parseInt(number2);
         n3 = parseInt(number3);
         n4 = parseInt(number4);
         n5 = parseInt(number5);
         countneg = 0;  //counter for negative number
         countposi = 0; // counter for positive numbers
         countzeroes = 0; // counter for zeroes

         //input validation to check if value is a number using isNan function. true indicates value is NaN.
         if (isNaN(n1) == true || isNaN(n2) == true || isNaN(n3) == true || isNaN(n4) == true || isNaN(n5) == true)
           {
            alert ("All entries must be NUMBERS! Click RESET and try again.")

           }
         else
         {
         // if NaN validation passed, then the rest of the function proceeeds

        // if statements repeated for each value that check for positive, negative, and zeroes. The appropriate
        // counter is incremented accordingly.

        // first number validation
        if (n1 > 0)
        {
            countposi++;
        }
        if (n1 < 0)
        {
            countneg++;
        }
        if (n1 == 0)
        {
            countzeroes++;
        }

        // second number validation
        if (n2 > 0)
        {
            countposi++;
        }
        if (n2 < 0)
        {
            countneg++;
        }
        if (n2 == 0)
        {
            countzeroes++;
        }

        // third number validation
        if (n3 > 0)
        {
            countposi++;
        }
        if (n3 < 0)
        {
            countneg++;
        }
        if (n3 == 0)
        {
            countzeroes++;
        }

        // fourth number validation
        if (n4 > 0)
        {
            countposi++;
        }
        if (n4 < 0)
        {
            countneg++;
        }
        if (n4 == 0)
        {
            countzeroes++;
        }

        // first number validation
        if (n5 > 0)
        {
            countposi++;
        }
        if (n5 < 0)
        {
            countneg++;
        }
        if (n5 == 0)
        {
            countzeroes++;
        }

  //print statement condensed into one document.forms functions. Displays a new line for each sentence/operation.

         document.forms["myform"].elements["results"].value = ("The count of positive numbers is " + countposi + "." + "\nThe count of negative numbers is " + countneg + "."+ "\nThe number of zeroes is " + countzeroes + "." );
        }};


                </script>
              </head>
              <body>
                <main class="grid">
                  <header  class="grid-area grid-area-1">
                    <h1>CNIT 133 Homework 2 - Basic Operations </h1>
                  </header>
                  <nav class="grid-area grid-area-2">
                    <ul>
                      <li>
                        <a href="homework1.html" title="CNIT 133 - HW 2">
                  Return to CNIT 133 Homework 2 - Basic Operations
                  </a>
                      </li>
                    </ul>
                  </nav>
                  <section class="grid-area grid-area-3">
                    <h2>Part 3 </h2>
                    <p> Please enter five numbers below!</p>
                    <form name="myform">
                      <table>
                        <tr>
                          <td>First Number:</td>
                          <td>
                            <input type="text" name="num1" size="10">
                            </td>
                          </tr>
                          <tr>
                            <td>Second Number:</td>
                            <td>
                              <input type="text" name="num2" size="10">
                              </td>
                            </tr>
                            <tr>
                              <td>Third Number:</td>
                              <td>
                                <input type="text" name="num3" size="10">
                                </td>
                              </tr>
                              <tr>
                                <td>Fourth Number:</td>
                                <td>
                                  <input type="text" name="num4" size="10">
                                  </td>
                                </tr>
                                <tr>
                                  <td>Fifth Number:</td>
                                  <td>
                                    <input type="text" name="num5" size="10">
                                    </td>
                                  </tr>
                                </table>
                                <br>
               Results:

                                  <br>
                                    <br>
                                      <textarea rows="8" cols="40" name="results"></textarea>
                                      <br>
                                        <br>
                                          <input type="button" onclick="process()" value="SUBMIT">
                                            <input type="reset" value="RESET">
                                            </form>
                                          </section>
                                          <footer class="grid-area grid-area-4">
                                            <p>
               &#169; 2020 Kristian Reyes
            </p>
                                          </footer>
                                        </main>
                                      </body>
                                    </html>