Write a JavaScript program to calculate factorial of n numbers

 


Code:

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Practical-13</title>
</head>

<body>
    <script>

        //Write a program to calculate factorial of n (Note: Use prompt box to get input from the user.)

        var num = prompt("Enter the Number");
        var fact = 1;
        for (let i = 1; i <= num; i++) {
            fact = fact * i;

        }
        alert("Factorial of the number is : " + fact);
    </script>
</body>

</html>

Output:




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