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<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>自学教程(runoops.com)</title> <script src="//demo.runoops.com/sources/xml/loadxmldoc.js"></script> </head> <body> <script> xmlDoc = loadXMLDoc("//demo.runoops.com/sources/xml/books.xml"); x = xmlDoc.getElementsByTagName('title'); // 为每个 title 元素添加新属性 for (i = 0; i < x.length; i++) { x[i].setAttribute("edition", "first"); } // 输出 title 和 edition 值 for (i = 0; i < x.length; i++) { document.write(x[i].childNodes[0].nodeValue); document.write(" - Edition: "); document.write(x[i].getAttribute('edition')); document.write("<br>"); } </script> </body> </html>
运行结果: