NamedNodeMap
NamedNodeMap
介面表示了 Attr
物件的集合。雖然 NamedNodeMap
與 NodeList
都能如陣列一般透過索引訪問成員,但和 NodeList
不同的是,NamedNodeMap
中的成員並沒有順序。
NamedNodeMap
物件具有即時性(live),如果其內部成員(屬性節點物件)發生改變,NamedNodeMap
物件會自動更新至最新的狀態。
屬性
This interface doesn't inherit any property.
NamedNodeMap.length
Read only-
Returns the amount of objects in the map.
方法
This interface doesn't inherit any method.
NamedNodeMap.getNamedItem()
-
Returns a
Attr
, corresponding to the given name. NamedNodeMap.setNamedItem()
-
Replaces, or adds, the
Attr
identified in the map by the given name. NamedNodeMap.removeNamedItem()
-
Removes the
Attr
identified by the given map. NamedNodeMap.item()
-
Returns the
Attr
at the given index, ornull
if the index is higher or equal to the number of nodes. NamedNodeMap.getNamedItemNS()
-
Returns a
Attr
identified by a namespace and related local name. NamedNodeMap.setNamedItemNS()
-
Replaces, or adds, the
Attr
identified in the map by the given namespace and related local name. NamedNodeMap.removeNamedItemNS()
-
Removes the
Attr
identified by the given namespace and related local name.
規範
Specification |
---|
DOM Standard # interface-namednodemap |
瀏覽器相容性
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