Character Encoding
UTF-8
0xEF0xBF0xBF
UTF-16
0xFFFF
UTF-32
0x0000FFFF
Copy & Paste Codes
Unicode Escape
\u{FFFF}
HTML Entity (Decimal)

HTML Entity (Hex)

CSS Code
\FFFF
JavaScript/JSON
String.fromCodePoint(0xFFFF)
Python
chr(0xFFFF)
Ruby/PHP
chr(0xFFFF)
Unix, C, PHP, JAVA
0xFFFF
Perl
chr(0xFFFF)
URL Encoded
%ffff