Question

In: Computer Science

<!doctype html> <html lang="en">   <head>     <title>Programming 1</title>     <meta charset="utf-8"/>           

<!doctype html>

<html lang="en">

  <head>

    <title>Programming 1</title>

    <meta charset="utf-8"/>                  

  </head>

  

  <body>

    <script type="text/javascript">

    

        function findAnswer() {

          var a = document.getElementById("box1").value;

          var b = document.getElementById("box2").value;

            

          if (typeof(a) == "number" && typeof(b) == "number") {

              var c = (a + b) % 5;

              document.getElementById("ans").innerHTML = c.toString();

            } else {

               document.getElementById("ans").innerHTML = "no Good";

            }

        }

    </script>

      

      <form action="#" method="post" name="form1" id="form1" class="form" >

       <label>Enter Numbers: </label> <br />

          <label> Value 1  : </label><input type="text" name="box1" id="box1"  value="10" /><br/>

          <label> Value 2  : </label><input type="text" name="box2" id="box2"  value="20" /><br/>

          <br/>               <br />

       <input type="button" name="Submit" id="submit" value="Submit" onclick="findAnswer();"/>

         </form>

    <p id ="ans"></p>

  </body>

</html>

    

Will the code from above print anything, if so what printed ? If not, say NONE.

Solutions

Expert Solution

HTML Code:

<!doctype html>

<html lang="en">

  <head>

    <title>Programming 1</title>

    <meta charset="utf-8"/>                  

  </head>

  

  <body>

    <script type="text/javascript">

    

        function findAnswer() {

          var a = parseInt(document.getElementById("box1").value);

          var b = parseInt(document.getElementById("box2").value);

            

          if (typeof(a) == "number" && typeof(b) == "number") {

              var c = (a + b) % 5;

              document.getElementById("ans").innerHTML = c.toString();

            } else {

               document.getElementById("ans").innerHTML = "NaN";

            }

        }

    </script>

      

      <form action="#" method="post" name="form1" id="form1" class="form" >

       <label>Enter Numbers: </label> <br />

          <label> Value 1  : </label><input type="text" name="box1" id="box1" /><br/>

          <label> Value 2  : </label><input type="text" name="box2" id="box2" /><br/>

          <br/>               <br />

       <input type="button" name="Submit" id="submit" value="Submit" onclick="findAnswer();"/>

         </form>
    <p id ="ans"></p>

  </body>

</html>

Output 1:

It first add two input values, and then calculate the module by 5. Finally in result, it prints the remainder value.

Here => 5+8 => 13 % 5 => 3

Output 2:

If one of the input values not a number, then it simply prints the output NaN => Not A Number

Thumbs Up Please !!!


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