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Related Syntax | ||
operator |
item of attributes |
Return type: Integer
Returns: The position of the attribute.
Syntax
item of specified? attributes element-qualifier* {string-expression}
item of attributes
can be used to determine the order in which the attributes were declared. When specified
, the first declared attribute has item number 1, the second has item number 2, and so on.
When item of
is applied to an item on the attributes
shelf, the key indexer, {...}
indexer is required.
This example illustrates how item of
can be used on the attributes
shelf to determine the position of an item.
item of
is used in this example to ensure that a line of text is output only when the "IDENT" attribute is the first one declared in its ATTLIST.
output "IDENT is the first declared attribute%n" when item of attributes{"IDENT"} = 1
Related Syntax |
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