MarkLogic 9 Product Documentationxdmp.nodeInsertBefore
xdmp.nodeInsertBefore( sibling as Node, new as Node ) as null
Summary
Adds an immediately preceding sibling to a node.
| Parameters | |
|---|---|
| sibling | The sibling node to be preceded by the new node. |
| new | The new node to be inserted. |
Usage Notes
Attribute nodes cannot be preceded by non-attribute nodes. Non-attribute nodes cannot be preceded by attribute nodes. Element nodes cannot have document node children. Document nodes cannot have multiple roots. On-the-fly constructed nodes cannot be updated.Example
// create a document
declareUpdate();
xdmp.documentInsert("/example.xml", fn.head(xdmp.unquote(
'<a><b>bbb</b></a>')));
******
// add a c node before the b node
declareUpdate();
xdmp.nodeInsertBefore(cts.doc("/example.xml").xpath("/a/b"),
fn.head(xdmp.unquote('<c>ccc</c>')).root);
******
// look at the new document
cts.doc("/example.xml");
=>
<?xml version="1.0" encoding="UTF-8"?>
<a><c>ccc</c><b>bbb</b></a>