setting a property that has only a getter

eimhee 2008-09-15 08:58:18

firefox 提示 setting a property that has only a getter
帮忙看一下这是什么错误

<html>
<head>

<script type='text/javascript'>

var req=null;
var console=null;
var READY_STATE_UNINITIALIZED=0;
var READY_STATE_LOADING=1;
var READY_STATE_LOADED=2;
var READY_STATE_INTERACTIVE=3;
var READY_STATE_COMPLETE=4;

function loadXMLDoc(url) {
if (window.XMLHttpRequest) {
req = new XMLHttpRequest();
} else if (window.ActiveXObject) {
req = new ActiveXObject("Microsoft.XMLHTTP");
}
if (req) {
req.onreadystatechange = processReqChange;
req.open("GET", url, true);
req.send(null);
}

}

function processReqChange(){
var ready=req.readyState;
var data=null;
if (ready==READY_STATE_COMPLETE){
data=req.responseText;
}else{
data="loading...["+ready+"]";
}
toConsole(data);
}

function toConsole(data){
if (console!=null){
var newline=document.createElement("div");
console.appendChild(newline);
var txt=document.createTextNode(data);
newline.appendChild(txt);
}
}

window.onload=function(){
console=document.getElementById('console');
loadXMLDoc("data.txt");
}
</script>

</head>
<body>
<div id='console'></div>
</body>
</html>

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rachelxhx 2011-02-25

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yes，谢了

eoa1986 2010-09-08

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ActiveXObject("Microsoft.XMLHTTP")。这一句在除了ie以外的浏览器里都没法用。要判断浏览器才行。w3school的例子是这样的：

<script type="text/javascript">



function ajaxFunction()

 {

 var xmlHttp;

 

 try

    {

   // Firefox, Opera 8.0+, Safari

    xmlHttp=new XMLHttpRequest();

    }

 catch (e)

    {



  // Internet Explorer

   try

      {

      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");

      }

   catch (e)

      {



      try

         {

         xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");

         }

      catch (e)

         {

         alert("您的浏览器不支持AJAX！");

         return false;

         }

      }

    }

 }

</script>