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<html><body><h1>JavaScript Booleans</h1><p id="demo"></p><script>document.getElementById("demo").innerHTML ="100 is " + Boolean(100) + "<br>" +"3.14 is " + Boolean(3.14) + "<br>" +"-15 is " + Boolean(-15) + "<br>" +"Any (not empty) string is " + Boolean("Hello") + "<br>" +"Even the string 'false' is " + Boolean('false') + "<br>" +"Any expression (except zero) is " + Boolean(1 + 7 + 3.14);</script></body></html>