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What is xlmns in html?why is it included

Why is it written in head in html

17th Mar 2020, 5:32 AM
yojan karki
yojan karki - avatar
1 Answer
+ 7
The xmlns attribute specifies the xml namespace for a document. Note: The xmlns attribute is required in XHTML, invalid in HTML 4.01, and optional in HTML5. Example: <html xmlns="http://www.w3.org/1999/xhtml"> <head></head> <body></body> </html>
17th Mar 2020, 5:50 AM
Jesus Eduardo CanulK
Jesus Eduardo CanulK - avatar