When writing in HTML, the tag is used to designate a command that a user can invoke via a popup menu. It is nested in the

element. Because this tag is experimental and only supported by Firefox, information is limited.

Attributes

Within an HTML tag, an attribute dictates certain aspects of an HTML element. Attributes are made up of a name and value pair; all tags support standard attributes. The following table shows all of the current unique HTML attributes for the tag, and a description of each.

Compatibility

Browser, Compatibility, Container tag, Nesting, Toolbar, URL, Web design terms

  • HTML and web design help and support.