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TreeWalker

Baseline Widely available

This feature is well established and works across many devices and browser versions. Its been available across browsers since 2015 7.

TreeWalker .

TreeWalker Document.createTreeWalker() .

In this article

.

TreeWalker.root

TreeWalker Node .

TreeWalker.whatToShow

Node unsigned long . . :
NodeFilter.SHOW_ALL -1 ( unsigned long ) .
NodeFilter.SHOW_ATTRIBUTE 2 Attr . Attr TreeWalker . , . .
NodeFilter.SHOW_CDATA_SECTION 8 CDATASection .
NodeFilter.SHOW_COMMENT 128 Comment .
NodeFilter.SHOW_DOCUMENT 256 Document .
NodeFilter.SHOW_DOCUMENT_FRAGMENT 1024 DocumentFragment .
NodeFilter.SHOW_DOCUMENT_TYPE 512 DocumentType .
NodeFilter.SHOW_ELEMENT 1 Element .
NodeFilter.SHOW_ENTITY 32 Entity . Entity TreeWalker ; , Entity . .
NodeFilter.SHOW_ENTITY_REFERENCE 16 EntityReference .
NodeFilter.SHOW_NOTATION 2048 Notation . Notation TreeWalker ; , Notation , .
NodeFilter.SHOW_PROCESSING_INSTRUCTION 64 ProcessingInstruction .
NodeFilter.SHOW_TEXT 4 Text .
TreeWalker.filter

NodeFilter .

TreeWalker.expandEntityReferences

EntityReference Boolean.

TreeWalker.currentNode

TreeWalker Node.

.

: TreeWalker DOM .

TreeWalker.parentNode()

Node . null .

TreeWalker.firstChild()

Node . null .

TreeWalker.lastChild()

Node . null .

TreeWalker.previousSibling()

Node . null .

TreeWalker.nextSibling()

Node . null .

TreeWalker.previousNode()

Node . null .

TreeWalker.nextNode()

Node . null .

Specification
DOM
# interface-treewalker

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