2003 X Type 3 0 Engine Diagram - Scalefour Digest 41.0. Issue 2, December 2003. The principles of model locomotive suspension by Russ Elliott. Contents. Acknowledgements 1 Scope 2 Introduction. Abstract. This specification defines UI Events which extend the DOM Event objects defined in .UI Events are those typically implemented by visual user agents for. 4.3.33 attribute. internal value that defines some characteristic of a property. 4.3.34 own property. property that is directly contained by its object. 4.3.35 inherited property. property of an object that is not an own property but is a property (either own or inherited) of the object’s prototype.