摘要：
There are a number of ways to implement Ajax and Comet, and these underlying implementationsare sometimes known as transports.有很多方法可以实现ajax和comet，这些底层... 阅读全文
摘要：
The term Ajax describes an architecture for web applications that prominently featuresscripted HTTP.Ajax描述了一种web应用的架构，这种应用以脚本化HTTP为特点。The key feature ... 阅读全文