C0 is an invalid start byte for a two-byte UTF-8 sequence, but if a bad UTF-8 decoder accepts it C0 B1 would be interpreted as ASCII 31h (the character 1). Quoting Wikipedia: …(C0 and C1) could only be used for an invalid “overlong encoding” of ASCII characters (i.e., trying to encode a 7-bit ASCII value … Read more
Yes on all four. To clarify, the term “pair” in UTF-16 refers to two UTF-16 code units, the first in the range D800-DBFF, the second in DC00-DFFF. A code unit is 16-bits (2 bytes), typically written as an unsigned integer in hexadecimal (0x000A). The order of the bytes (0x00 0x0A or 0x0A 0x00) is specified … Read more
Use charCodeAt(0) and omit the ‘&#’ in your string: if ( X.charCodeAt(0) == 9660 ) { $(‘body’).append(‘Yay!’); } 0 solved Comparing whether a unicode equals something [closed]