# Yahoo! UI Library

### TreeView Widget 2.5.1

Yahoo! UI Library > treeview > YAHOO.widget.MenuNode

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## Class YAHOO.widget.MenuNode - extends YAHOO.widget.TextNode

A menu-specific implementation that differs from TextNode in that only one sibling can be expanded at a time.

### Constructor

YAHOO.widget.MenuNode `( oData , oParent , expanded )`

Parameters:
  `oData <object>` a string or object containing the data that will be used to render this node. Valid properties:
  label
    The text for the node's label
  title
    The title attribute for the label anchor
  title
    The title attribute for the label anchor
  href
    The href for the node's label. By default it is set to expand/collapse the node.
  target
    The target attribute for the label anchor
  style
    A CSS class to apply to the label anchor
  All other attributes are made available in noderef.data, which can be used to store custom attributes. TreeView.getNode(s)ByProperty can be used to retreive a node by one of the attributes.
  `oParent <YAHOO.widget.Node>` this node's parent node
  `expanded <boolean>` the initial expanded/collapsed state

#### Properties inherited from YAHOO.widget.TextNode:

`label, labelElId, labelStyle`

#### Properties inherited from YAHOO.widget.Node:

`_dynLoad, _type, children, childrenRendered, data, dataLoader, depth, dynamicLoadComplete, expanded, hasIcon, href, iconMode, index, isLeaf, isLoading, multiExpand, nextSibling, nowrap, parent, previousSibling, renderHidden, target, tree`

#### Properties inherited from YAHOO.util.EventProvider:

`__yui_events, __yui_subscribers`

#### Methods inherited from YAHOO.widget.TextNode:

`getLabelEl, onLabelClick`

#### Methods inherited from YAHOO.widget.Node:

`appendChild, appendTo, applyParent, collapse toggle style., collapseAll, completeRender, expand, expandAll, getAncestor, getChildrenEl, getChildrenElId, getChildrenHtml, getDepthStyle, getEl, getElId, getHoverStyle, getHtml, getIconMode, getNodeHtml, getSiblings, getStyle, getToggleEl, getToggleElId, getToggleLink, hasChildren, hideChildren, init, insertAfter, insertBefore, isChildOf, isDynamic, isRoot, loadComplete, refresh, renderChildren, setDynamicLoad, showChildren, toggle, toString`

#### Methods inherited from YAHOO.util.EventProvider:

`createEvent, fireEvent, hasEvent, subscribe, unsubscribe, unsubscribeAll`

#### Events inherited from YAHOO.widget.Node:

`parentChange,`

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