The element-available function determines if an element is available and returns true or false.


element-available(QName )


Must evaluate to a valid QName. The QName is expanded into an expanded-name using the namespace declarations in scope for the expression.


Returns true if and only if the expanded-name is the name of an instruction. If the expanded-name has a namespace URI equal to the XSLT namespace URI, then it refers to an element defined by XSLT. Otherwise, it refers to an extension element. If the expanded-name has a null namespace URI, the element-available function will return false.


XSLT 1.0 15

Gecko support


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