The 2 Content Windows of HTML
A Content Window relates a viewport of Content Parts to users.
Primary Window
The Primary Window represents the default Content Window
The syntax is one body element per document with the following attributes and contents:
-
Zero or one count for each Global Attribute
-
Zero or more counts for each of the following parts: Main Part, Content Section, Header Part, and Footer Part
<body></body>
Secondary Window
A Secondary Window defines a temporary Content Window
The syntax is a dialog element with the following attributes and child elements:
-
Zero or one
openattribute -
Zero or one count for each Global Attribute
-
Zero or more counts for each of the following parts: Content Section, Header Part, and Footer Part
<dialog>
</dialog>