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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"); var x = xmlDoc.getElementsByTagName("book")[0]; document.write("Child nodes before removal: "); document.write(x.childNodes.length); x.removeChild(x.childNodes[0]); document.write("<br>Child nodes after removal: "); document.write(x.childNodes.length); </script> </body> </html>
运行结果：