6. Attributes

Attributes are specified by @ prefix.

//@id

Select all attributes @id

<AAA>

<BBB id = "b1"/>

<BBB id = "b2"/>

<BBB name = "bbb"/>

<BBB/>

</AAA>

//BBB[@id]

Select BBB elements which have attribute id

<AAA>

<BBB id = "b1"/>

<BBB id = "b2"/>

<BBB name = "bbb"/>

<BBB/>

</AAA>

//BBB[@name]

Select BBB elements which have attribute name

<AAA>

<BBB id = "b1"/>

<BBB id = "b2"/>

<BBB name = "bbb"/>

<BBB/>

</AAA>

//BBB[@*]

Select BBB elements which have any attribute

<AAA>

<BBB id = "b1"/>

<BBB id = "b2"/>

<BBB name = "bbb"/>

<BBB/>

</AAA>

//BBB[not(@*)]

Select BBB elements without an attribute

<AAA>

<BBB id = "b1"/>

<BBB id = "b2"/>

<BBB name = "bbb"/>

<BBB/>

</AAA>