exemplo 5.2 – filtro-com-parametro.html

	<!doctype html>
	<html ng-app="myApp">
	<body>
	  <div ng-controller="UsuarioController">
	    <div>UpperCase: {{nome | lettercase:'upper'}} !</div>
	    <br/>
	    <div>LowerCase: {{nome | lettercase:'lower'}} !</div>
	  </div>
	<script src="angular.min.js"></script>
	<script type="text/javascript">
	var app = angular.module('myApp', []);
	
	app.controller('UsuarioController', [ '$scope', function($scope) {
		$scope.nome = 'John Henry';
	}]);

	app.filter('lettercase', function() {
		return function(input, mode){
			return mode == 'upper' ? input.toUpperCase() : input.toLowerCase();
		};
	});
	</script>
	</body>
	</html>