Facebook Like Button refresh after AJAX-Load [duplicate]

Answer 1

If using XFBML, than you should wrap your like button code, eg.

into a div or span, eg:

Than, after gaining new URL via ajax, you have to clear already generated facebook like widget, and replace it with new fb:like code

jQuery('.fb-like').html('');

And than you have to initialize facebook like button again

FB.XFBML.parse();

Final code could looks like this one. Assume that response contains pure new URL

Summary:

To refresh facebook like button (or any other facebook XFBML) you have to:
1) destroy existing initialized widget (clear the content of XFBML code wrapper)
2) add new XFBML code into wrapper
3) initialize new code via FB.XFBML.parse();