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| control structure | using data-attribute | ||||
| Related Syntax | |||||
Syntax
  using data-attribute attribute-name of  (attribute-reference)
     ((item | @) numeric-expression)?
The using prefix can be applied to data-attribute references in exactly the same way as to attribute references. In the action within using, the keyword attribute can be used to indicate the selected data-attribute instead of data-attribute.
| Related Syntax attribute data-attribute using attribute | 
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