FSWD80-JS_DAY02-LuciaU-AttilaT/grades.html at master · attakcs/FSWD80-JS_DAY02-LuciaU-AttilaT · GitHub

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<!DOCTYPE html>

<html>

<head>

   <title></title>

</head>

<body>

   <h1 id='message'></h1>

   <script type="text/javascript">

      var english = Number(prompt("Your grade in english"));
      var math = Number(prompt("Your grade in math"));
      var physics = Number(prompt("Your grade in physics"));

      function sum(english,math,physics) {
        return english + math + physics;
      }

      function average(english,math,physics) {
        return (english + math + physics)/3;
      }


      document.write("The sum of your grade is " + sum(english, math, physics));
      document.write("The average of your grade is " + Math.round(average(english, math, physics)));


   </script>


</body>

</html>