​x
 
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Higher-Order Function</title>
    <script>
        // Higher-order function that takes a message and returns a function
        function createGreetingFunction(message) {
            return function() {
                alert(message);
            };
        }
​
        // Create specific greeting functions using the higher-order function
        var greetMorning = createGreetingFunction("Good Morning!");
        var greetEvening = createGreetingFunction("Good Evening!");
    </script>
</head>
<body>
    <button onclick="greetMorning()">Greet Morning</button>
    <button onclick="greetEvening()">Greet Evening</button>
</body>
</html>