In this article I would like to discuss how to write a program that AngularJS to check if the given number is odd or even numbers.
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Program Listing
<!-- index.htm
Author : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
Date : July 21, 2021 Wednesday 1:33 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>Odd and Even Numbers 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
angular.module('mainApp', []).service('myService', function() {
this.myFunc = function(x) {
if (Number(x) % 2 === 0)
return 'EVEN';
else
return 'ODD';
};
}).controller('Odd_Even_Controller', function($scope, myService) {
$scope.check = function(num) {
$scope.myUserService = myService.myFunc(num);
}
});
</script>
<div ng-app="mainApp" ng-controller="Odd_Even_Controller">
<form>
<table border="0" cellspacing=10>
<tr>Odd and Even Numbers in AngularJS</tr>
<tr>
<td>Enter a Number </td>
<td><input type="number" ng-model="val_1" ng-init="val_1=0" ng-keyup="check(val_1)"/></td>
</tr>
<table>
</form>
<b>The number entered is {{val_1}} which is {{myUserService}} number(s). </b>
</div>
</body>
</html>
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