A style sheet contains many individual style objects which are managed as a collection. These style sheet objects are created by means of the <STYLE> HTML tag or are imported with the <LINK> tag. They can also be created by means of the @import statement inside a style definition.

The Document.styleSheets[] collection contains a reference for every styleSheet object in the document.

Beware that a STYLE object and a style object are different things. A STYLE object is instantiated by the <STYLE> HTML tag and contains properties that reflect its attributes.

This is quite different to a style object which is a member of a styleSheet and describes the rules for a particular style.

DOM level 2 adds the following properties:

• title

• media

• ownerRule

It also adds the following methods:

• insertRule()

• deleteRule()

Warnings:

• Note that MSIE 5 incorrectly names this object class as styleSheet instead of StyleSheet (note the capitalization).