An abstract representation of an element's attribute name/value pair is an object known in the W3C DOM vernacular as the Attr object; in IE termin

Returns Boolean true if the attribute, once it is inserted into an element, is not one of the native attributes for the element. This property is

This is the name portion of the name/value pair of the attribute. It is identical to the nodeName property of the Attr node. You may not modify

Refers to the element that contains the current attribute object. Until a newly created attribute is inserted into an element, this property is null.

Returns Boolean true if the value of the attribute is explicitly assigned in the source code or adjusted by script. If the browser reflects an att

Provides the value portion of the name/value pair of the attribute. Identical to the nodeValue property of the Attr node