XML DOMLesson 44Free preview

DOM Clone Nodes

This lesson is part of XML · All levels

Summary

The cloneNode makes a copy of a node. With the parameter false only the node itself is copied, whereas with true the entire descendant subtree is copied. The resulting copy has not yet been attached to the tree so it can be freely modified and added as needed.

Key points

Copy the node without a descendant
CloneNode(true) copying the node and the entire subtree
The node attribute is involved in the cloning process
The original copy is not yet attached to the tree
Effective cloning for repeating repeating structures

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