According to [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURI), The 'encodeURI()' function:

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> replacing each instance of certain characters by one, two, three, or four escape sequences representing the UTF-8 encoding of the character
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However, when invoking `encodeURI('\u0082')` (in Chrome) Im getting `%C2%81` as output.

I expected to get `%82` or `%00%82`. What does the `%C2` mean?