bug(EJ2-2519): tooltip sample description updated.

Author: pipeline

index.html

@@ -111,6 +111,15 @@
     </div>
 
     <script src="src/common/index.min.js" type="text/javascript"></script>
+    <script>
+        (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+        (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+        m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+        })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
+
+        ga('create', 'UA-233131-15', 'auto');
+        ga('send', 'pageview');
+    </script>
 </body>
 
 </html>