获取XHR兼容所有

xiaoxiao2021-02-28  136

<script type="text/javascript"> var xmlhttp; function loadXMLDoc(url) { xmlhttp=null; if (window.DOMparser)   {// code for all new browsers   xmlhttp=new XMLHttpRequest();   } else if (window.ActiveXObject)   {// code for IE5 and IE6   xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");   } if (xmlhttp!=null)   {   xmlhttp.onreadystatechange=state_Change;   xmlhttp.open("GET",url,true);   xmlhttp.send(null);   } else   {   alert("Your browser does not support XMLHTTP.");   } } function state_Change() { if (xmlhttp.readyState==4)   {// 4 = "loaded"   if (xmlhttp.status==200)     {// 200 = OK     // ...our code here...     }   else     {     alert("Problem retrieving XML data");     }   } } </script>
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