Abstract Class
Class that cannot be instantiated
Object Reference that cannot be created, containing Abstract Method
References
Node
↔ DOM Interface & Abstract Class upon which every member in DOM Tree are basedEventTarget
↔ Top-level Abstract Class Interface extends most objects with ability to receiveEvent
s or add Event ListenerReact.Component
↔ base Abstract Class that provides render() method to return React Element(s), state & Lifecycle Methods