rgbcalc.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

    <script>
        function CalculateRGB(){
            const r= Math.floor (Math.random)*256;
            document.getElementById("prgb").innerHTML = r;

        }
    </script>
</head>
<body>
     <div class="canvas" style="background: purple; height: 200px; width: 300px;"> </div>


      <br>
     
      <button onclick="getElementByID">Random Color Puller</button>


</body>
</html>