lab 3.3

<!DOCTYPEhtml>
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8"/>
  <title>About Me</title>
</head>
<body>
<h2>Volumen na cilindar</h2>
<p>Vnesi radius</p>
<p><input type="text" id="Radius"></p>
<p>Vnesi visina</p>
<p><input type="text" id="Visina"></p>
<p><input type="button" value="Presmetaj volumen" onclick="Volume()"></p>
<p id="Volumen"></p>
</body>
</html>
<script>
  class Cylinder {
    constructor(radius, height) {
      this.radius = parseInt(radius);
      this.height = parseInt(height);

    }

    PresmetajVolumen() {
      return this.height * this.radius * this.radius * 3.14;

    }
  }
  function Volume() {
    var cilindar=new Cylinder(parseInt(document.getElementById('Radius').value), parseInt(document.getElementById('Visina').value));
    document.getElementById('Volumen').innerHTML = cilindar.PresmetajVolumen();

  }

</script>