Udacity- Object Oriented Javascript
English | Size: 970.35 MB
Category: Appdev
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.
Things you will learn:
Scopes and Closures
Learn about javascript’s variable scoping, including lexical scopes and dynamics scopes.
Introduction to closures, an incredibly useful feature available in only a handful of languages.
The Keyword “this”
Start your dive into javascript object-oriented features by discovering the parameter “this”.
Learn how the value of “this” is determined within various code structures.
Why it might be a lot easier to think of “this” as a parameter rather than a keyword.
Prototype Delegation
Learn more about protype delegation.
How javascript uses this feature internally.
How you can take advantage of it to maximize your application’s memory footprint.
Code Reuse
Start writing a library using basic functions and learn the decorator pattern.
Refactor this library into the functional, prototypal and pseudoclassical inheritance models.
Explore sub-classing – objects that inherit from objects previously defined.
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