关于request.onreadystatechange = funtion(){}
request.onreadystatechange = funtion(){ if(request.readyState===4&&request.status===200){ } } 中,这个匿名函数是把什么赋值给request.onreadystatechangeb了?
request.onreadystatechange = funtion(){ if(request.readyState===4&&request.status===200){ } } 中,这个匿名函数是把什么赋值给request.onreadystatechangeb了?
2015-09-21
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