接口 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;
}

属性

currentNode filter root whatToShow

方法

firstChild lastChild nextNode nextSibling parentNode previousNode previousSibling

属性

currentNode

currentNode: Node

只读filter

filter: null | NodeFilter

只读root

root: Node

只读whatToShow

whatToShow: number

方法

firstChild

  • firstChild(): null | Node

  • 返回 null | Node

lastChild

  • lastChild(): null | Node

  • 返回 null | Node

nextNode

  • nextNode(): null | Node

  • 返回 null | Node

nextSibling

  • nextSibling(): null | Node

  • 返回 null | Node

parentNode

  • parentNode(): null | Node

  • 返回 null | Node

previousNode

  • previousNode(): null | Node

  • 返回 null | Node

previousSibling

  • previousSibling(): null | Node

  • 返回 null | Node

显示设置

成员可见性

目录

属性
方法