JSFiddle - React, Tailwind, and code Playground

HTML

<head>
    <body>
        <script>
            var canvas = document.createElement('canvas');
            canvas.width = 100;
            canvas.heigh = 100;
            var dataUrl = canvas.toDataURL("image/jpeg");
            var serialized = dataUrl.split(",")[1];
            var status, message;
            if (serialized.length) {
                status = 'PASS'
            } else {
                status = 'FAILED'
            }
            message = "<h1>" + status + "</h1>" + dataUrl.substring(0, 100);
            document.write(message);
        </script>
    </body>
</head>