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removeAttributeNS() ����ɾ���������ռ�������ָ�������ԡ�

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elementNode.removeAttributeNS(ns,name)
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ns ���衣�涨Ҫɾ�������Ե����ֿռ䡣
name ���衣�涨Ҫɾ�������Ե����ơ�

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�����е������У����ǽ�ʹ�� XML �ļ� books_ns.xml���Լ� JavaScript ���� loadXMLDoc()��

�����Ĵ���Ƭ�δ� "books_ns.xml" �еĵ�һ�� <title> Ԫ��ɾ�� "lang" ���ԣ�

xmlDoc=loadXMLDoc("books_ns.xml");

x=xmlDoc.getElementsByTagName("title")[0];
ns="http://www.w3school.com.cn/children/";

document.write("Attribute Found: ");
document.write(x.hasAttributeNS(ns,"lang"));

x.removeAttributeNS(ns,"lang");

document.write("<br />Attribute Found: ");
document.write(x.hasAttributeNS(ns,"lang"));

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Attribute Found: true
Attribute Found: false