避免ajax請求過多，導致內存溢出，請求之后回收資源

php試題網

http://phpshiti.com/

 

http://www.jb51.net/article/30458.htm

success: function (data, textStatus) {
    //do something...
},
complete: function (XHR, TS) { 
    XHR = null 
} //回收資源