Live Demo: JavaScript Get Color Depth of the Screen

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>JavaScript Get Color Depth of the Screen</title>
</head>
<body>
    <script>
    function getColorDepth() {
        alert("Your screen color depth is: " + screen.colorDepth);
    }
    </script>
     
    <button type="button" onclick="getColorDepth();">Get Color Depth</button>
</body>
</html>                            