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节点属性
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#
可以对节点设置非HTML的标准属性
attributes
*
包含了代表一个元素的特性的Attr对象
,
仅用于Element节点
*
返回
NamedNodeMap
对象
createAttribute
(
)
;
*
创建一个指定名称的属性节点对象
*
返回的是一个属性节点对象
setAttributeNode
(
)
;
*
设置一个属性节点对象
removeAttributeNode
(
)
*
移除指定的属性节点,并返回被移除的节点。
getAttribute
(
)
;
*
获取指定名称的属性值
setAttribute
(
属性名
,
属性值
)
;
*
设置属性名和属性值
removeAttribute
(
)
;
*
删除指定名称的属性值
hasAttribute
(
)
;
*
判断节点是否具备指定的属性
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节点属性
-
属性
|
--
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--
--
--
--
isId
*
如果属性是
id
类型,则返回
true,否则返回
false。
name
*
返回属性的名称。
value
*
设置或返回属性的值。
specified
*
如果已指定属性,则返回
true,否则返回
false。
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节点属性
-
方法
|
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#
NamedNodeMap
方法
nodemap
.
getNamedItem
(
)
*
从
NamedNodeMap
返回指定的属性节点。
nodemap
.
item
(
)
*
返回
NamedNodeMap
中位于指定下标的节点。
nodemap
.
length
*
返回
NamedNodeMap
中的节点数。
nodemap
.
removeNamedItem
(
)
*
移除指定的属性节点。
nodemap
.
setNamedItem
(
)
*
设置指定的属性节点(通过名称)。
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