Character Encoding
UTF-8
0xE20x870xA9
UTF-16
0x21E9
UTF-32
0x000021E9
Copy & Paste Codes
Unicode Escape
\u{21E9}
HTML Entity (Decimal)
⇩
HTML Entity (Hex)
⇩
CSS Code
\21E9
JavaScript/JSON
String.fromCodePoint(0x21E9)
Python
chr(0x21E9)
Ruby/PHP
chr(0x21E9)
Unix, C, PHP, JAVA
0x21E9
Perl
chr(0x21E9)
URL Encoded
%21e9