XML DOM - 的属性对象

属性对象

Attr 对象表示 Element 对象的属性。属性的允许值通常在 DTD 中定义。

因为Attr对象也是一个Node，所以它继承了Node对象的属性和方法。但是，属性没有父节点，并且不被视为元素的子节点，并且对于许多 Node 属性将返回 null。

Property	Description
baseURI	Returns the absolute base URI of the attribute
isId	Returns true if the attribute is known to be of type ID, otherwise it returns false
localName	Returns the local part of the name of the attribute
name	Returns the name of the attribute
namespaceURI	Returns the namespace URI of the attribute
nodeName	Returns the name of the node, depending on its type
nodeType	Returns the type of the node
nodeValue	Sets or returns the value of the node, depending on its type
ownerDocument	Returns the root element (document object) for an attribute
ownerElement	Returns the element node the attribute is attached to
prefix	Sets or returns the namespace prefix of the attribute
schemaTypeInfo	Returns the type information associated with this attribute
specified	Returns true if the attribute value is set in the document, and false if it's a default value in a DTD/Schema.
textContent	Sets or returns the textual content of an attribute
value	Sets or returns the value of the attribute