ajax readyState的五种状态详解
2017-02-06
54
在《Pragmatic Ajax A Web 2.0 Primer 》中对readyStae状态的介绍,摘译如下: 0: (Uninitialized) the send( ) method has not yet been invoked. 1: (Loading) the send( ) method has been invoked, request in progress. 2: (Loaded) the send( ) method has co...