The HTMLAreasCollection interface specifies the collection of areas that make up the image map.

The HTMLAreasCollection interface has been extended with the following methods:

Areas can be added or removed from the collection. If duplicate names are found, a collection of those named items is returned. Subsequently, collections of duplicate names must be referenced by ordinal position.

 //Introduced in Internet Explorer.
 interface HTMLAreasCollection : HTMLCollection {
     void              add(in HTMLElement oElement, 
                           in long oBefore);
     void              remove(in long iIndex);
     Node              tags(in DOMString sTag);
     Node              urns(in DOMString sUrn);