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ECMAScript Technial Notes and Resources

ECMASCript 5.1 Specification

UML Diagrams of ES5 Core Object Relationships

ES5 Specification Internal Method Usage

The ECMAScript method uses the concept of “internal methods” of ECMAScript objects to define the behavior that is common to all objects and how specific kinds of built-in objects differ from this common behavior.  This document is essential a def/ref cross reference of the usage of these internal methods within the specification.

ES5 Specification Internal Class Hierarchy

The ES5 specification implicitly organizes its “internal methods” into a a class hierarchy of virtual methods and instance state.  This document makes this hierarchy explicit and identifies exactly what is defined or over-ridden by each “class” in the hierarchy.