U+FEFF
ZERO WIDTH NO-BREAK SPACE

AliasesBOM (abbreviation), BYTE ORDER MARK (alternate), ZWNBSP (abbreviation)
IntroducedUnicode 1.1
BlockArabic Presentation Forms-B
Codepoint65279
Decimal65279
HTML
UTF-8EF BB BF
UTF-16 LEFF FE
UTF-16 BEFE FF
UTF-32 LEFF FE 00 00
UTF-32 BE00 00 FE FF
Old Unicode 1.0 nameBYTE ORDER MARK