The following typographical conventions are used throughout this book:

Italic is used for:

Pathnames, filenames, program names, sample email addresses, and sample web sites
New terms where they are defined

Constant Width is used for:

Any HTML, CSS, or scripting term, including HTML tags, attribute names, object names, properties, methods, and event handlers
All HTML and script code listings

Constant Width Italic is used for:

Method and function parameter or assigned value placeholders that indicate an item is to be replaced by a real value in actual use