JS BOOLEAN OBJECT EXAMPLE
Run 
<html>
    <head>
        <title>
            Using Boolean Object
        </title>
    </head>
    <body>
        <script type="text/javaScript">
            let bool1 = new Boolean(0);
            let bool2 = new Boolean(8);
            let bool3 = new Boolean(2);
            let bool4 = new Boolean("");
            let bool5 = new Boolean("Hello");
            let bool6 = new Boolean('false');
            let bool7 = new Boolean(null);
            let bool8 = new Boolean(NaN);
            document.write("0 value is boolean :" + bool1+"<br>");
            document.write("8 value is boolean :" + bool2+"<br>");
            document.write("1 value is boolean :" + bool3+"<br>");
            document.write("An empty string is boolean :" + bool4+"<br>");
            document.write("String 'Hello' is   boolean :" + bool5+"<br>");
            document.write("String 'false' is boolean :" + bool6+"<br>");
            document.write("null is boolean :" + bool7+"<br>");
            document.write("NaN is boolean :" + bool8+"<br>");
        </script>
    </body>
</html>