practice/age.html at master · tegaphilip/practice · GitHub

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<html>
<head>
    <title>CHECK AGE</title>
</head>
<script type="text/javascript">

    function act() {
        var num = prompt('enter an age');
        var message = canIWatch(num);
        alert(message);
    }

    function canIWatch(age) {
        if (age >0 && age < 6) {
            return "You are not allowed to watch Deadpool after 6.00pm.";
        } else if (age >= 6 && age < 17) {
            return "You must be accompanied by a guardian who is 21 or older.";
        } else if (age >= 17 && age < 25) {
            return "You are allowed to watch Deadpool, right after you show some ID.";
        } else if (age >= 25) {
            return "Yay! You can watch Deadpool with no strings attached!";
        } else {
            return "Invalid age";
        }
    }

</script>
<body>
<button id="click" onclick="act()">Click me</button>
</body>
</html>