ajax - Polling vs long-polling -
What is the difference between voting and long voting? What are the advantages and disadvantages? Is Ajax considered as a long time voting? Poll: kill a URL from a customer at some interval Long Voting: To kill the URL from the customer and keep the server connection for a period of time, in this way the server can return the connection at the time when there is a notification for his client All AJAX is not long. Polls are used for long periods using the form of comets ()