JavaScript Tutorials - Herong's Tutorial Examples - 2.33, by Herong Yang
Prototype-Dased Object-Oriented Programming Style
This section provides a quick description of object-oriented programming and prototype-based programming style.
There are three primary goals of object-oriented programming:
These goals can be archived with two different programming styles:
JavaScript is a prototype-based programming language which supports encapsulation, polymorphism, and inheritance as described below:
See other sections of this chapter for detailed descriptions and tutorial examples of JavaScript prototype-based programming features.
Table of Contents
ECMAScript Language Specification and JavaScript Dialects
Data Types, Variables and Expressions
Creating, Accessing, and Manipulating Arrays
Defining and Calling Functions
Web Browser Supporting JavaScript
Server-Side and Client-Side Web Scripting
►Defining Your Own Object Types
►Prototype-Dased Object-Oriented Programming Style
Prototype-Based Programming Features in JavaScript
Defining Object Constructor Functions
Adding Properties and Methods to Objects
"for ... in" and "for each ... in" Statements
"prototype" Property of the Constructor Function Object
"instanceof" Operator - Determining Object Type
"typeof" Operator and Data Types
Inheritance of Properties and Methods through the Prototype Object Chain
'jrunscript' - JavaScript Shell Command from JDK
Using Functions as "Function" Objects
Introduction to Built-in Object Types
W3C's Document Object Model (DOM) Specifications