WARNING: Most of this content (with the exception of the Mozilla 1.9 XPCOM reference) is very old, and can be expected to be out of date and possibly obsolete. For better XUL documentation, please visit the XUL hub at the Mozilla Developer Center.
XPathExpression
This object is available to unprivileged JavaScript. It implements the following interfaces:
Methods
nsISupports evaluate ( Node contextNode , short type , nsISupports result )
nsISupports evaluateWithContext ( Node contextNode , int contextPosition , int contextSize , short type , nsISupports result )
nsISupports evaluate ( Node contextNode , short type , nsISupports result )
- Arguments:
- contextNode
- type
- result
nsISupports evaluateWithContext ( Node contextNode , int contextPosition , int contextSize , short type , nsISupports result )
Evaluate the expression with the given context. Similar to nsIDOMXPathExpression::evaluate(), except that this takes the context position and size too.
- Arguments:
- contextNode: The context node
- contextPosition: The context position
- contextSize: The context size
- type: The needed result type
- result: The result
Reference documentation is generated from Mozilla's source.