3cfilterprovider 3e errorr

1var app = angular.module('myApp', []);
2app.filter('searchName', function() {
3  return function(input) {
4    return input + '!';
5  }
6});
7
8app.controller('myCtrl', function($scope) {
9
10  $scope.myFunc = function() {
11    console.log('Hello world!');
12  };
13});