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<!DOCTYPE html> <html> <head> <script src="loadxmldoc.js"> </script> </head> <body> <script> xmlDoc=loadXMLDoc("books_ns.xml"); x=xmlDoc.getElementsByTagName("title")[0]; ns="http://www.w3cschool.cc/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")); </script> </body> </html>