N/xml Module
Node.cloneNode()
Method Description: Creates a copy of a node. Returns the copied node.
Returns: xml.Node
Supported Script Types: All script types For more information, see SuiteScript 2.0 Script Types.
Governance: None
Module: N/xml Module
Since: 2015.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=Node.cloneNode(options)

// Code Example 1

//Add additional code

//...

var copiednode = elem[0].cloneNode({

    deep : true

});

//...

//Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_46211181640.html