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Udacity Object-Oriented JavaScript $15 buy download


2015
Udacity
4 hours
English

Have you been dabbling with JavaScript but find your files keep turning into a mess of spaghetti code? Do you find yourself copying and pasting lines of code over and over throughout your application? Surely there’s a better way, right?
Yes, there is a better way -- object-oriented programming will allow you to build websites using reusable blocks of code known as libraries, similar to using bricks to build a house. This course is designed to teach web developers how to utilize the various object-oriented programming features within JavaScript, and more importantly, how to write reusable and maintainable libraries that will make your life easier.

Lesson 1: Scopes and Closures
We’ll start by discussing JavaScript’s functional variable scoping features, including lexical scopes (variable availability as you write your code) and dynamics scopes (variable availability as your code actively runs). We’ll then discuss closures, an often misunderstood but incredibly useful feature available in only a handful of languages, including JavaScript.
Lesson 2: The Keyword “this”
You’ll start your dive into JavaScript object-oriented features by first discovering the parameter “this”. You’ll learn how the value of “this” is determined within various code structures and why it might be a lot easier to think of “this” as a parameter rather than a keyword.
Lesson 3: Prototype Delegation
You’re probably using one of JavaScript’s inheritance models already: prototype delegation! In this lesson you’ll learn more about this unique feature of JavaScript, how JavaScript uses this feature internally and how you can take advantage of it to maximize your application’s memory footprint.
Lesson 4: Code Reuse
There are numerous ways to write concise, maintainable and reusable code in JavaScript and you’ll practice a number of them in this lesson. We’ll start writing a library using basic functions and learn the decorator pattern. Then, we’ll refactor this library into the functional, prototypal and pseudoclassical inheritance models. Finally, we’ll explore sub-classing -- coding objects that directly inherit from objects we’ve previously defined



Download File Size:968.6 MB


Udacity Object-Oriented JavaScript
$15
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