語法

var ppTreeWalker = document.createTreeWalker(pRootNode, ulWhatToShow, pFilter, fEntityReferenceExpansion);

參數

pRootNode [in]

Type: Node

The root element or node to start traversing on.

ulWhatToShow [in]

Type: Integer

The type of nodes or elements to appear in the node list. For more information, see whatToShow.

pFilter [in]

Type: Variant

A custom NodeFilter function to use. For more information, see filter. Use a pointer to a null value for no filter.

fEntityReferenceExpansion [in]

Type: Boolean

A flag that specifies whether entity reference nodes are expanded. For more information, see expandEntityReferences.

ppTreeWalker [out, retval]

Type: TreeWalker

Returns a TreeWalker object.

返回值

Type: TreeWalker

Returns a TreeWalker object.