diff --git a/intro.js/intro.js-tests.ts b/intro.js/intro.js-tests.ts
index 0ec5938f5c..a3e5c0e4dd 100644
--- a/intro.js/intro.js-tests.ts
+++ b/intro.js/intro.js-tests.ts
@@ -1,6 +1,8 @@
 /// <reference path="intro.js.d.ts" />
 
 var intro = introJs();
+var introWithElement = introJs(document.body);
+var introWithQuerySelector = introJs('body');
 
 intro.setOption('doneLabel', 'Next page');
 intro.setOption('overlayOpacity', 50);
@@ -48,9 +50,31 @@ intro.start()
     .onafterchange(function (element) {
         element.getAttribute('class');
     })
-    .onchange(function () {
-        alert('Changed');
+    .onchange(function (element) {
+        element.getAttribute('class');
     })
     .oncomplete(function () {
         alert('Done');
-    });
+    })
+    .onexit(function () {
+        alert('Exiting');
+    })
+    .onhintsadded(function () {
+        alert('Hints added');
+    })
+    .onhintclick(function (hintElement, item, stepId) {
+        hintElement.getAttribute('class');
+    })
+    .onhintclose(function (stepId) {
+        alert('Hint close for Step ID ' + stepId);
+    })
+    .addHints()
+    .clone();
+
+introWithElement.start()
+    .exit()
+    .clone();
+    
+introWithQuerySelector.start()
+    .exit()
+    .clone();
diff --git a/intro.js/intro.js.d.ts b/intro.js/intro.js.d.ts
index 6763124ba9..b476d5793d 100644
--- a/intro.js/intro.js.d.ts
+++ b/intro.js/intro.js.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for intro.js 1.1.1
+// Type definitions for intro.js 2.0
 // Project: https://github.com/usablica/intro.js
 // Definitions by: Maxime Fabre <https://github.com/anahkiasen/>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
@@ -29,12 +29,15 @@ declare module IntroJs {
         overlayOpacity?: number;
         positionPrecedence?: string[];
         disableInteraction?: boolean;
-        steps: Step[];
+        hintPosition?: string;
+        hintButtonLabel?: string;
+        steps?: Step[];
     }
 
     interface IntroJs {
         start(): IntroJs;
         exit(): IntroJs;
+        clone(): IntroJs;
 
         goToStep(step: number): IntroJs;
         nextStep(): IntroJs;
@@ -48,12 +51,20 @@ declare module IntroJs {
         onexit(callback: Function): IntroJs;
         onbeforechange(callback: (element: HTMLElement) => any): IntroJs;
         onafterchange(callback: (element: HTMLElement) => any): IntroJs;
-        onchange(callback: Function): IntroJs;
+        onchange(callback: (element: HTMLElement) => any): IntroJs;
         oncomplete(callback: Function): IntroJs;
+        
+        addHints(): IntroJs;
+        
+        onhintsadded(callback: Function): IntroJs;
+        onhintclick(callback: (hintElement: HTMLElement, item: Step, stepId: number) => any): IntroJs;
+        onhintclose(callback: (stepId: number) => any): IntroJs;
     }
 
     interface Factory {
-        (element?: string): IntroJs;
+        (): IntroJs;
+        (element: HTMLElement): IntroJs;
+        (querySelector: string): IntroJs;
     }
 }