Character Encoding
UTF-8
0xF30x9F0xBF0xBF
UTF-16
0xDB3F0xDFFF
UTF-32
0x000DFFFF
Copy & Paste Codes
Unicode Escape
\u{DFFFF}
HTML Entity (Decimal)

HTML Entity (Hex)

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