關于request.onreadystatechange = funtion(){}
request.onreadystatechange = funtion(){ ? ?if(request.readyState===4&&request.status===200){ ?} } 中,這個匿名函數是把什么賦值給request.onreadystatechangeb了?
request.onreadystatechange = funtion(){ ? ?if(request.readyState===4&&request.status===200){ ?} } 中,這個匿名函數是把什么賦值給request.onreadystatechangeb了?
2015-09-21
舉報
2016-08-29
應該是反回值給了Onreadystatechange
2016-04-14
匿名函數的引用賦給onreadystatechange.....
2015-12-14
是吧什么紙付給了什么?