garretts / jsclass

JavaScript Class

JavaScript Class

Course Overview

This course covers the fundamentals of the EcmaScript programming language, the DOM, and object-oriented design. It is intended for experienced web developers and programmers of other languages, however all are welcome.

Resources

Reference specifications are used extensively. These are linked from the JavaScript resources page. Read them daily.

Behavior

Ask Questions. Interact.

Class Notes

Debugging

Browsers provide debuggers that can be launched from a breakpoint or the debugger keyword.

ClassName Swap

Event Delegation and the Cascade.

Functions

Functions are callable objects with an internal [[Scope]] property. Learn how to call functions and pass functions to other functions, where they can be later called.

Prototype

The prototype chain is used for reading property resolution.

User-defined functions can be used to construct new objects. Objects have, on their prototype chain, the constructor's prototype.

Scope Chain and Identifier Resolution

This class covers closures.

Singleton

Singleton with information hiding in function scope. Interface-Based Design

Two interfaces with a similar signature. The Devil's in the details -- encapsulate them! Event Notification System

An abstract system for event notification.

DOM Events Adapter

An system for DOM event notification, designed to handle delegation and specific event models. Factory

The Factory pattern, the Decorator pattern, newApply, and the holy grail: Abstract Factory. Parameter Object

Passing around lists of parameters? Typechecking arguments? Stop doing that. Here's how to make your code clearer and less error-prone.