dependency injection in angular /factories #services

js/factories/quizmetrics.js

@@ -0,0 +1,21 @@
+(function () {
+
+      angular
+             .module("turtleFacts")
+             .factory("quizMetrics", QuizMetrics);
+
+      function QuizMetrics() {
+
+             var quizObj = {
+                 quizActive: false,
+                 changeState: changeState
+             };
+
+             return quizObj;
+
+             function changeState(state) {
+                 quizObj.quizActive = state;
+             }
+      }
+
+}) ();