what is the exact usage of xmlns in xml, and html

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-上瘾入骨i
-上瘾入骨i 2021-02-20 02:42

Does any one know what is the exact usage of xmlns in HTML, XML files?

Edit: Why do we need this namespace? What is its usage?

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  •  长情又很酷
    2021-02-20 03:18

    In HTML, xmlns is just a talisman to make moving from and to XHTML easier. It doesn't do anything at all.

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