Is there a way that an action initiated by a user, on a client Browser( like clicking a button), can change characteristics of the page loaded by other clients.
The reason I need this is for controlling a device that post information onto a page and waits for a response to see if it can still continue posting information or not. I want that response to come from the user viewing the page. Both client browsers load the page from the server and they are not related in any way.
Thanks