Class TreeWalker

constructor

• new TreeWalker(
      root: Node,
      whatToShow?: number,
      filter?: null | NodeFilter,
  ): TreeWalker

  Creates a new TreeWalker instance.

  Parameters

  • root: Node

    A root Node of this TreeWalker traversal.

  • whatToShow: number = NodeFilter.SHOW_ALL

    A unsigned long representing a bitmask created by combining the constant properties of NodeFilter.

  • filter: null | NodeFilter = null

    A NodeFilter, that is an object with a method acceptNode, which is called by the TreeWalker to determine whether to accept a node that has passed the whatToShow check.

  Returns TreeWalker

currentNode

Readonlyfilter

Readonlyroot

ReadonlywhatToShow

firstChild

• firstChild(): null | Node

  Returns null | Node

  See

  TreeWalker.firstChild on MDN

lastChild

• lastChild(): null | Node

  Returns null | Node

  See

  TreeWalker.lastChild on MDN

nextNode

• nextNode(): null | Node

  Returns null | Node

  See

  TreeWalker.nextNode on MDN

nextSibling

• nextSibling(): null | Node

  Returns null | Node

  See

  TreeWalker.nextSibling on MDN

parentNode

• parentNode(): null | Node

  Returns null | Node

  See

  TreeWalker.parentNode on MDN

previousNode

• previousNode(): null | Node

  Returns null | Node

  See

  TreeWalker.previousNode on MDN

previousSibling

• previousSibling(): null | Node

  Returns null | Node

  See

  TreeWalker.previousSibling on MDN