Machine Problem in AngularJS
Write a program that will ask the user to give a number, and then the program will compute the factorial value of the given number by the user.
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Program Listing
index.htm
<!-- index.htm
Author : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
Date : July 20, 2021 Tuesday 10:12 PM
Place : Bacolod City, Negros Occidental
Websites : www.jakerpomperada.com and www.jakerpomperada.blogspot.com
Email : jakerpomperada@gmail.com
-->
<html ng-app="mainApp">
<head>
<title>Factorial a Number in AngularJS</title>
</head>
<style>
body {
font-family: arial;
font-size: 25px;
font-weight: bold;
}
</style>
<script type="text/javascript" src="angular.min.js">
</script>
<script type="text/javascript">
// AngularJS Controller Declaration
var app = angular.module('mainApp', [])
.controller('Factorial_Controller', function($scope) {
})
.filter('factorial', function() {
return function factorial(n) {
return n === 0 ? 1 : n * factorial(n - 1);
}
});
</script>
<div ng-app="app" ng-controller="Factorial_Controller">
<form>
<table border="0" cellspacing=10>
<tr>Factorial a Number in AngularJS</tr>
<tr>
<td>Enter a Number </td>
<td><input type="number" ng-model="val_1" ng-init="val_1=0"/></td>
</tr>
<table>
</form>
<p>The factorial value of {{val_1}} is {{val_1 | factorial}}. </p>
</div>
</body>
</html>
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