Document.importNode(importedNode, deep)

none

Imports a node from another document to this document. The returned node has no parent; (parentNode is null). The source node is not altered or removed from the original document; this method creates a new copy of the source node.

Node importedNode

-

The node to import.

Boolean deep

-

If true, recursively import the subtree under the specified node; if false, import only the node itself. This has no effect on Attr, EntityReference, and Notation nodes.

Node -  The imported node that belongs to this Document.

DOMException NOT_SUPPORTED_ERR

Raised if the type of node being imported is not supported.

(Exact behavior for diferent node-types see in standard.)