How to get facebook friends emailId's, photos(profile photos) ?

Have you looked at the articles in this web site about Facebook?

Note that working with Facebook is much more complex than what your code does. You will need much more. It is not easy to use Facebook. Also, there is a difference between using Facebook in an application or in a web site or a desktop and other things; you need to determine what applies to your application. You also need to get a developer account from Facebook with a client id and such. Unless you are willing to spend time learning about it, it is too complicated for you.