A. HTML Reference
On the following pages, you’ll find a list of the HTML elements and attributes described in this book. Each element has a short description and an annotated list of its associated attributes.
HTML5 has introduced a number of new elements and attributes, and it has also redefined a few elements whose use the W3C had discouraged in the previous (X)HTML specification. New elements and attributes from HTML5 have been marked in the Version column with a “5.” Elements and attributes that have new or additional meaning according to HTML5 have been marked with an asterisk (*).
The new features in HTML5 are unsupported in some older browsers. For additional information about what browsers support which features, you are encouraged to ...