简单教程
提交运行
代码编辑器：
<!DOCTYPE html> <html> <head> <script> if (window.XMLHttpRequest) { xmlhttp=new XMLHttpRequest(); } xmlhttp.open("GET","/static/media/cd_catalog.xml",false); xmlhttp.send(); xmlDoc=xmlhttp.responseXML; x=xmlDoc.getElementsByTagName("CD"); i=0; function displayCD() { artist=(x[i].getElementsByTagName("ARTIST")[0].childNodes[0].nodeValue); title=(x[i].getElementsByTagName("TITLE")[0].childNodes[0].nodeValue); year=(x[i].getElementsByTagName("YEAR")[0].childNodes[0].nodeValue); txt="Artist: " + artist + "<br>Title: " + title + "<br>Year: "+ year; document.getElementById("showCD").innerHTML=txt; } function next() { if (i<x.length-1) { i++; displayCD(); } } function previous() { if (i>0) { i--; displayCD(); } } </script> </head> <body onload="displayCD()"> <div id='showCD'></div><br> <input type="button" onclick="previous()" value="<<" /> <input type="button" onclick="next()" value=">>" /> </body> </html>
运行结果：