Animation API Constructor Experimental Reference SharedKeyframeList SharedKeyframeList() waapi web animations api

The TrackDefault() constructor of the TrackDefault interface constructs and returns a new TrackDefault object.

API Audio Constructor Experimental Media Source Extensions MSE Reference TrackDefault Video

The TrackDefaultList() constructor of the TrackDefaultList interface constructs and returns a new TrackDefaultList object.

API Audio Constructor Experimental Extensions Media MSE Reference Source source TrackDefaultList Video

Object-oriented to the core, JavaScript features powerful, flexible OOP capabilities. This article starts with an introduction to object-oriented programming, then reviews the JavaScript object model, and finally demonstrates concepts of object-oriented programming in JavaScript. This article does not describe the newer syntax for object-oriented programming in ECMAScript 6.

Constructor Encapsulation Inheritance Intermediate JavaScript Members Namespace Object Object-Oriented OOP