returns true if the attribute is of type id, otherwise it returns false
attr.isId
returns the name of an attribute
attr.name
sets or returns the value of the attribute
attr.value
returns true if the attribute has been specified, otherwise it returns false
attr.specified
returns true of the attribute has been specified, otherwise it returns false
nodemap.getNamedItem( )
returns the attribute node at a specified index in a NamedNodeMap
nodemap.item( )
returns the number of attribute nodes in a NamedNodeMap
nodemap.length
removes a specified attribute node
nodemap.removeNamedItem( )
sets the specified attribute node
nodemap.setNamedItem( )