Machine  Problem

Write a program that will ask user to give a string and then the program will display the given string, and then it will count the number of consonants in the given string.

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Program Listing

<!-- index.htm
  Author   : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
  Date     : July 21, 2021  Wednesday  10:34 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>Count Consonants 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(val_1) {
   

    var countConsonants = 0;
     str_upper = val_1.toUpperCase();
    
   
  for (var i = 0; i < str_upper.length; i++) {
    if (str_upper.charAt(i) !== "A" && str_upper.charAt(i) !== "E" && str_upper.charAt(i) !== "I" 
      && str_upper.charAt(i) !== "O" && str_upper.charAt(i) !== "U" && str_upper.charAt(i) !== " ") {
      countConsonants++;
    }
  }
    return countConsonants;
  };
}).controller('Count_Consonants_Controller', function($scope, myService) {
  $scope.check = function(val_1) {
    $scope.myUserService = myService.myFunc(val_1);
  }

});
</script>

<div ng-app="mainApp" ng-controller="Count_Consonants_Controller">
	<form>
	<table border="0" cellspacing=10>
	<tr>Count Consonants in AngularJS</tr>
	<tr>
  	<td>Enter a String</td>
	<td><input type="text"  size="50" ng-model="val_1" ng-init="val_1=''" ng-keyup="check(val_1)"/></td>
	</tr>
	<table>
	</form><br>
	 <b>The given string {{val_1 | uppercase }}. </b><br><br>
   <b>The number of consonants is {{myUserService}}.</b>
</div>
</body>
</html>

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