ajax polling php

Introduced As we all know, HTTP protocol is an object-oriented protocol belonging to the application layer, there are five characteristics of HTTP protocol: 1, support client/server mode; 2, simple and fast; 3, flexible; 4, no connection; 5,

English Original: Reverse Ajax, part 1:introduction to Comet Web Development has changed a lot in the last few years. Today, we want to be able to access applications quickly and dynamically through the web. In this new article series, we

Details:Http://www.phpyan.com/home/article/350.html Two ways to achieve this: One: IFRAME + server Push Technology Comet (reverse Ajax, that is, the server pushes data to the browser) Two: Ajax persistent

PHP implements Ajax long polling. PHP implements the traditional Ajax round-robin method for long-polling AJAX. the client queries the latest data on the server at a user-defined interval. This method of pulling data requires PHP to implement Ajax

PHP implementation Ajax Long polling The traditional Ajax polling method, the customer service side at the user-defined time interval to the server to query the latest data. This kind of pull data takes a short time interval to ensure the accuracy

1. PrefaceWeb-side IM technology is not easy to implement due to limitations in browser design, and there are roughly 4 main web-end instant Messaging solutions: Traditional Ajax short polling, Comet technology, WebSocket Technology, SSE

1. PrefaceWeb-side IM technology is not easy to implement due to limitations in browser design, and there are roughly 4 main web-end instant Messaging solutions: Traditional Ajax short polling, Comet technology, WebSocket Technology, SSE

The traditional Ajax polling method, the customer service side at the user-defined time interval to the server to query the latest data. This kind of pull data takes a short time interval to ensure the accuracy of the data, but too short a time

The reverse push technology is very popular now, and long polling is one of the key technologies for implementing reverse push. // If you want to publish this article, please indicate the exit, no outgoing copyright notice, I do not like to see this

The traditional Ajax polling method, the customer service side at the user-defined time interval to the server to query the latest data. This method of pulling data takes a short time interval to ensure the accuracy of the data, but too short a time