源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <script src="loadxmldoc.js"></script> </head> <body> <script> xmlDoc=loadXMLDoc("books.xml"); newComment=xmlDoc.createComment("Revised April 2008"); x=xmlDoc.getElementsByTagName("book")[0]; x.appendChild(newComment); document.write(x.lastChild.nodeValue); </script> </body> </html>
运行结果