NodeFilter 인터페이스는 NodeIterator (en-US)TreeWalker에서 노드를 거를 때 사용하는 객체를 나타냅니다. NodeFilter는 DOM이나 노드 순회 방법은 알지 못하며, 주어진 필터에 대해 단일 노드를 평가하는 방법만 알 수 있습니다.

The browser doesn't provide any object implementing this interface. It is the user who is expected to write one, tailoring the acceptNode() method to its needs, and using it with some TreeWalker or NodeIterator (en-US) objects.


This interface neither implements, nor inherits, any properties.


This interface doesn't inherit any methods.

NodeFilter.acceptNode() (en-US)
Returns an unsigned short that will be used to tell if a given Node must be accepted or not by the NodeIterator (en-US) or TreeWalker iteration algorithm. This method is expected to be written by the user of a NodeFilter. Possible return values are:
Constant Description
FILTER_ACCEPT Value returned by the NodeFilter.acceptNode() (en-US) method when a node should be accepted.
FILTER_REJECT Value to be returned by the NodeFilter.acceptNode() (en-US) method when a node should be rejected. For TreeWalker, child nodes are also rejected. For NodeIterator (en-US), this flag is synonymous with FILTER_SKIP.
FILTER_SKIP Value to be returned by NodeFilter.acceptNode() (en-US) for nodes to be skipped by the NodeIterator (en-US) or TreeWalker object. The children of skipped nodes are still considered. This is treated as "skip this node but not its children".


var nodeIterator = document.createNodeIterator(
  // Node to use as root

  // Only consider nodes that are text nodes (nodeType 3)

  // Object containing the function to use for the acceptNode method
  // of the NodeFilter
    { acceptNode: function(node) {
      // Logic to determine whether to accept, reject or skip node
      // In this case, only accept nodes that have content
      // other than whitespace
      if ( ! /^\s*$/.test( ) {
        return NodeFilter.FILTER_ACCEPT;

// Show the content of every non-empty text node that is a child of root
var node;

while ((node = nodeIterator.nextNode())) {


DOM Standard
# dom-document-createnodeiterator

Browser compatibility

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See also