XML DOM トラバース XML document_html/css_WEB-ITnose

<?xml version="1.0" encoding="utf-8" ?><bookstore>  <book category="children">    <title lang="en">Harry Potter</title>    <author>J K. Rowling</author>    <year>2005</year>    <price>29.99</price>  </book>  <book category="cooking">    <title lang="en">Everyday Italian</title>    <author>Giada De Laurentiis</author>    <year>2005</year>    <price>30.00</price>  </book>  <book category="web">    <title lang="en">Learning XML</title>    <author>Erik T. Ray</author>    <year>2003</year>    <price>39.95</price>  </book>  <book category="web">    <title lang="en">XQuery Kick Start</title>    <author>James McGovern</author>    <author>Per Bothner</author>    <author>Kurt Cagle</author>    <author>James Linn</author>    <author>Vaidyanathan Nagarajan</author>    <year>2003</year>    <price>49.99</price>  </book></bookstore>

function loadXMLDoc(dname) {try //Internet Explorer  {  xmlDoc=new ActiveXObject("Microsoft.XMLDOM");//创建空的微软xml文档对象  }catch(e)  {  try //Firefox, Mozilla, Opera, etc.    {    xmlDoc=document.implementation.createDocument("","",null);//其他浏览器通过解析器创建xml文档对象    }  catch(e) {alert(e.message)}  }try   {  xmlDoc.async=false;//关闭异步加载，确保文档加载完之前解析器不会继续执行脚本  xmlDoc.load(dname);//加载文档  return(xmlDoc);//返回xml文档对象  }catch(e) {alert(e.message)}return(null);}