1,先定义一个ajax函数,供后面调用 1 function ajax(method,url,data,callback){ 2 3 var xhr = null; 4 5 if( window.ActiveXObject ){ 6 xhr = new ActiveXObject('Microsoft.XMLHTTP'); 7 }else{ 8 xhr = new XMLHttpRequest(); 9 } 10 11 xhr.onreadystatechange = fu ......
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