# Package org.w3c.dom.traversal

- Interface Summary
  Interface | Description
  --- | ---
  DocumentTraversal | `DocumentTraversal` contains methods that create `NodeIterators` and `TreeWalkers` to traverse a node and its children in document order (depth first, pre-order traversal, which is equivalent to the order in which the start tags occur in the text representation of the document).
  NodeFilter | Filters are objects that know how to "filter out" nodes.
  NodeIterator | `NodeIterators` are used to step through a set of nodes, e.g.
  TreeWalker | `TreeWalker` objects are used to navigate a document tree or subtree using the view of the document defined by their `whatToShow` flags and filter (if any).

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