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elementNode.removeAttribute(name)
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ÏÂÃæµÄ´úÂëÆ¬¶Îɾ³ý "books.xml" ÖÐËùÓÐ <book> ÔªËØµÄ "category" ÊôÐÔ£º
xmlDoc=loadXMLDoc("books.xml");
x=xmlDoc.getElementsByTagName('book');
for (i=0;i<x.length;i++)
{
x[i].removeAttribute('category'));
}