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Write a JavaScript function that asks the user for a number, n, then calculates the factorial...

Write a JavaScript function that asks the user for a number, n, then calculates the factorial for that number. You must use a loop to find the factorial.

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Answer #1 
function findFactorial() {
    var n = Number(prompt("Enter a value for n"));
    var result = 1;
    for (var i = 1; i <= n; i++)
        result *= i;
    alert("Factorial of " + n + " is " + result);
}
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