Get website's favicon with JS

Question

I am wondering if it is possible to get a website\'s favicon by an URL with JavaScript.

For example I have an URL http://www.bbc.co.uk/ a

Answer 1

Suddenly I found something called Google Shared Stuff that returns image with website's favicon by hostname:

http://www.google.com/s2/favicons?domain=www.domain.com

But fot BBC site it returns favicon a bit small. Compare:

http://www.google.com/s2/favicons?domain=www.bbc.co.uk
http://www.bbc.co.uk/favicon.ico