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DOMNode->insertBefore()
DOMNode->insertBefore() --
Adds a new child before a reference node
Descriptionclass DOMNode { DOMNode insertBefore ( DOMNode newnode [, DOMNode refnode] ) }
This function inserts a new node right before the reference node.
If you plan to do further modifications on the appended child you must use
the returned node.
Parameters
- newnode
The new node.
- refnode
The reference node. If not supplied, newnode is
appended to the children.
Return Values
The inserted node.
Exceptions
- DOM_NO_MODIFICATION_ALLOWED_ERR
Raised if this node is readonly or if the previous parent of the node
being inserted is readonly.
- DOM_HIERARCHY_REQUEST_ERR
Raised if this node is of a type that does not allow children of the
type of the newnode node, or if the node to
append is one of this node's ancestors or this node itself.
- DOM_WRONG_DOCUMENT_ERR
Raised if newnode was created from a different
document than the one that created this node.
- DOM_NOT_FOUND
Raised if refnode is not a child of this node.
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