*/
matchAttribute: function ( objects, attrName ) {
return $.map( objects, function ( object ) {
*/
matchAttribute: function ( objects, attrName ) {
return $.map( objects, function ( object ) {
} ).filter( function ( item, index, a ) {
return index === a.indexOf( item );
} ).length === 1;
} ).filter( function ( item, index, a ) {
return index === a.indexOf( item );
} ).length === 1;