javascript调用XML
<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head><title>my First ajax</title><script type="text/javascript">var xmlHttp;function startRequest(){ if(window.ActiveXObject) { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); } else if (window.XMLHttpRequest) { xmlHttp=new XMLHttpRequest(); } xmlHttp.onreadystatechange=stateChange; xmlHttp.open("GET","text.xml",true); xmlHttp.send(null);}function stateChange(){ if(xmlHttp.readyState != 4) { return; } if(xmlHttp.status != 200) { alert("Problem retrieving XML data"); return; } x=xmlHttp.responseXML.getElementsByTagName("TITLE"); alert(x.length); //=3 alert(x[0].nodeValue); //为什么这个值为null}</script></head><body><input type="button" value="test" onclick="startRequest();"></body></html><?xml version="1.0" ?> <!-- Copyright w3school.com.cn --> <text> <cd> <TITLE>111111</TITLE> </cd> <cd> <TITLE>222222</TITLE> </cd><cd> <TITLE>333333</TITLE> </cd></text>