Interface TreeWalker

The nodes of a document subtree and a position within them.

interface TreeWalker {
    currentNode: Node;
    filter: null | NodeFilter;
    root: Node;
    whatToShow: number;
    firstChild(): null | Node;
    lastChild(): null | Node;
    nextNode(): null | Node;
    nextSibling(): null | Node;
    parentNode(): null | Node;
    previousNode(): null | Node;
    previousSibling(): null | Node;
}

Properties

currentNode filter root whatToShow

Methods

firstChild lastChild nextNode nextSibling parentNode previousNode previousSibling

Properties

currentNode

currentNode: Node

Readonly filter

filter: null | NodeFilter

Readonly root

root: Node

Readonly whatToShow

whatToShow: number

Methods

firstChild

  • firstChild(): null | Node

  • Returns null | Node

lastChild

  • lastChild(): null | Node

  • Returns null | Node

nextNode

  • nextNode(): null | Node

  • Returns null | Node

nextSibling

  • nextSibling(): null | Node

  • Returns null | Node

parentNode

  • parentNode(): null | Node

  • Returns null | Node

previousNode

  • previousNode(): null | Node

  • Returns null | Node

previousSibling

  • previousSibling(): null | Node

  • Returns null | Node

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