Updated README and example in app.js

Author: mendhak

README.md

@@ -52,9 +52,10 @@ Intro.js provides several callbacks.  You can receive these callbacks in your co
 
 In your controller, create `ChangeEvent`
 
-    $scope.ChangeEvent = function (targetElement) {
+    $scope.ChangeEvent = function (targetElement, scope) {
         console.log("Change Event called");
-        console.log(targetElement);
+        console.log(targetElement); //The target element
+        console.log(this); //The IntroJS object
     };
 
 The other intro.js callbacks you can specify are `ng-intro-oncomplete`, `ng-intro-onexit`, `ng-intro-onchange` `ng-intro-onbeforechange` and `ng-intro-onafterchange`.

build/angular-intro.min.js

@@ -2,25 +2,26 @@ var app = angular.module('myApp', ['angular-intro']);
 
 app.controller('MyController', function ($scope) {
 
-    $scope.CompletedEvent = function () {
+    $scope.CompletedEvent = function (scope) {
         console.log("Completed Event called");
     };
 
-    $scope.ExitEvent = function () {
+    $scope.ExitEvent = function (scope) {
         console.log("Exit Event called");
     };
 
-    $scope.ChangeEvent = function (targetElement) {
+    $scope.ChangeEvent = function (targetElement, scope) {
         console.log("Change Event called");
-        console.log(targetElement);
+        console.log(targetElement);  //The target element
+        console.log(this);  //The IntroJS object
     };
 
-    $scope.BeforeChangeEvent = function (targetElement) {
+    $scope.BeforeChangeEvent = function (targetElement, scope) {
         console.log("Before Change Event called");
         console.log(targetElement);
     };
 
-    $scope.AfterChangeEvent = function (targetElement) {
+    $scope.AfterChangeEvent = function (targetElement, scope) {
         console.log("After Change Event called");
         console.log(targetElement);
     };