javascript操作xml详情代码

<script>
//读取XML文件 
function loadXML(xmlFile) { 
  var xmlDoc; 
  if(window.ActiveXObject) { 
    xmlDoc = new ActiveXObject("Microsoft.XMLDOM"); 
    xmlDoc.async = false; 
    xmlDoc.load(xmlFile); 
  } 
  else if (document.implementation && document.implementation.createDocument) { 
    xmlDoc = document.implementation.createDocument("", "", null); 
    xmlDoc.async = false; 
    xmlDoc.load(xmlFile); 
  } 
  else { 
    alert('您的浏览器不支持该系统脚本！'); 
  } 
return xmlDoc; 
} 
//输出XML文件 
function outXML(filename){ 
  var xmlDoc = loadXML(filename); 
  var x = xmlDoc.getElementsByTagName("properties"); 
  var text=x[0].outerHTML.replace(/</g,"<"); 
  return text; 
}
function dirXML(xmlDoc){ 
  var entry=xmlDoc.getElementsByTagName("properties")[0].getElementsByTagName("entry"); 
  for (var i=0,j=entry.length; i<j;i++){ 
    console.log(entry[i].getAttribute("key")); 
    console.log(entry[i].childNodes[0].nodeValue);
  } 
}
</script>