JavaScript中如何取消ajax請求

JS xmlHttp.open("POST","theUrl",true); xmlHttp.onreadystatechange=function(){ ...//獲得響應以後的操做 } xmlHttp.send(); //設置8秒鐘後檢查xmlHttp對象所發送的數據是否獲得響應. setTimeout("CheckRequest()","8000"); function CheckReq

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