How to get url of the form page after action?

i want to get the form url after the page has been submitted to the action page.

seems like its possible in serverside : Java seeking referer

but is it possible in client si开发者_如何学Gode javascript?!

---

document.referrer gives you the referring url in javascript.

http://jsfiddle.net/niklasvh/GNmNQ/