I'm building this POS with the format of a web application. I have an issue though. I want to notify the waiter that there is a new order ready to go. I made some notification buttons menu style but i'm not really sure how to notify from the server side the client that there is a new one.
My options as i saw it is AJAX function that calls a php file every so and updates the div with the current active orders or w/e.
I would also like to know what other options i may have? How can i push notifications from the server or is there somehow that i can avoid doing AJAX requests to the server every say X seconds?
Thank you in advance.
