Event handling to detect if user clicks a 'Like' button in XFBML page

Question

I have a Facebook connect app / canvas IFrame app which has a Like control for a fanpage.

I\'d like to detect when the user clicks the Like butt

Answer 1

I think Facebook updated their documentation since I first looked :

Now its clearer :

http://developers.facebook.com/docs/reference/javascript/FB.Event.subscribe

A 'like' click is the edge.create event

Answer 2

Official FAQ:

Q: How do I know when a user clicks a Like button?

A: If you are using the XFBML version of the button, you can subscribe to the 'edge.create' event through FB.Event.subscribe.

Source: Core Concepts › Social Plugins › Like Button