简单教程
提交运行
代码编辑器：
<!DOCTYPE html> <meta charset="utf-8"> <link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> <script src="/static/js/loadxmldoc.js"></script> <script> xmlDoc=loadXMLDoc("/static/media/dom/books.xml"); x=xmlDoc.getElementsByTagName('book'); for (i=0;i<x.length;i++) { document.write(x[i].getAttribute('category')); document.write("<br>"); } </script> <footer>简单教程，简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果：