One site I have seen uses javascript on the client side: you get a dialog
box that pops up on-click, tells you to only click once. Since the dialog
is modal, if you did click twice it (did whatever your platform does when
you have a modal dialog box up, eg beeps at you).
(yes, of course, it'd be
Hung Jung Lu wrote:
This must be a well-known problem: you click multiple times on a form
button, and multiple requests are send to the server. On many websites they
ask you not to click on the "confirm purchase" button twice, because
otherwise you'll be charged twice.
I've heard a
