Javascript script to calculate factorial of n.
// ? 2017 TheFlyingKeyboard and released under MIT License // theflyingkeyboard.net <html> <body> Enter a number: <input type="text" id="data"> <button onclick="calculate()">Convert</button> <p>Factorial is equal to</p> <p id="newText"></p> <script> function calculate(){ var data = document.getElementById("data").value; var n = parseInt(data); document.getElementById("newText").innerHTML = factorial(n); } function factorial(n) { var fact = 1; for (var i = 2; i <= n; i++) { fact *= i; } return fact; } </script> </body> </html>
Javascript Factorial