HTML URL Encoding Reference - W3Schools
ASCII Encoding Reference Your browser will encode input, according to the character-set used in your page. The default character-set in HTML5 is UTF-8.
HTML UTF-8 Reference - W3Schools
The HTML Standard is Unicode UTF-8 The default character set in HTML-4 (ISO-8859-1) were limited in size and not compatible in multilingual environments. The default character encoding in HTML-5 is …
HTML Unicode UTF-8 - W3Schools
To display HTML correctly, the browser must know what encoding to use. All modern computer languages use the UTF-8 character encoding as default. UTF-8 covers the most languages and …
HTML ISO-8859-1 Reference - W3Schools
ISO-8859-1 ISO-8859-1 was the default character in HTML 4.01. ISO (The International Standards Organization) defines the standard character sets for different alphabets/languages. The different …
HTML ASCII Reference - W3Schools
ASCII was the first character set (encoding standard) used between computers on the Internet. Both ISO-8859-1 (default in HTML 4.01) and UTF-8 (default in HTML5), are built on ASCII.
HTML Character Sets - W3Schools
Common HTML Character Sets The default character set in HTML5 is UTF-8. For a closer look, visit our Complete HTML Character Set Reference.
HTML URL Encoding - W3Schools
URL encoding converts non-ASCII characters into a format that can be transmitted over the Internet. URL encoding replaces non-ASCII characters with a "%" followed by hexadecimal digits.
W3Schools Tryit Editor
Test and experiment with HTML <textarea> elements in an interactive editor to see how they work.
HTML Symbol Entities Reference - W3Schools
If you use an HTML entity name or a hexadecimal number, the character will always display correctly, independent of what character set (encoding) your page uses!
W3Schools Tryit Editor
Test JavaScript code for generating random numbers using Math.random() and Math.floor() in the W3Schools Tryit Editor.