W3School TIY
编辑您的代码：
<html> <head> <script type="text/javascript" src="../example/xdom/loadxmldoc.js"> </script> </head> <body> <script type="text/javascript"> xmlDoc=loadXMLDoc("../example/xdom/books.xml"); x=xmlDoc.getElementsByTagName("book")[0]; document.write(x.hasAttribute("category")); </script> </body> </html>
查看结果: