how to get the current URL in fbjs?

I want to get the current URL in fbjs. I have used this

window.location

开发者_如何学C

However, this doesnt work.

Can anyone please help me ? Thanks.

- ahsan

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well, heres how I solved it :

Using PHP, we can get the page id and the app id.

Using FQL, we can get the page title.

Using these 3 values we can recreate the current URL (I am working on a fanpage tab)

Hope this helps :)

- ahsan