24.1. HTML encoding

HTML document is an ordinary text file, but the HTML pages to the performance of many text files are not direct expression, for example: no keyboard input symbols, HTML tags and attributes to be used by <> "& 'elements, such as.

So a lot of definition HTML entities. English: entitles.

These entities most detailed information can be read http://www.w3.org/TR/html4/sgml/entities.html

Now I will introduce several groups of commonly used HTML entities.