key of attributes

operator

Return type:
String
Returns:
Returns the true name of the attribute.
Syntax
key of specified? attributes (of element-expression)? [numeric-expression]


Purpose

The key of attribute operator returns the "true" name of the attribute. This is most useful when retrieving the real name of an attribute being referenced through an alias. The name is uppercased when the SGML declaration specifies NAMECASE GENERAL YES for the SGML document being processed.

When key of is applied to attributes, the item indexer is required.

Related Syntax