SecJS.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>SecJS</title>
</head>
<body>
    <script>
        const PI = "3.14PI"
        document.write('The type of "hello world!" is ' + typeof "Hello World!")
        let pw = "123456"
        document.write("<br>" + 'The type of Number("123456") is ' + typeof Number(pw))
        document.write("<br>" + 'The value of parseInt("3.14PI") is ' + parseInt(PI))
        document.write("<br>" + 'The value of parseFloat("3.14PI") is ' + parseFloat(PI))
        document.write("<br>" + `Avoid using ${pw} as your password`)
    </script>
</body>
</html>