No matter how much experience you have with JavaScript, odds are you don’t fully understand the language. This concise, in-depth guide takes you inside JavaScript’s this structure and object prototypes. You’ll learn how they work and why they’re integral to behavior delegation—a design pattern in which objects are linked, rather than cloned.

Apps like facerig for mac os. No matter how much experience you have with JavaScript, odds are you don’t fully understand the language. This concise yet in-depth guide takes you inside scope and closures, two core concepts you need to know to become a more efficient and effective JavaScript programmer. You’ll learn how. As part of the “You Don’t Know JS” series, this concise yet in-depth guide focuses on new asynchronous features and performance techniques—including Promises, generators, and Web Workers—that let you create sophisticated single-page web applications and escape callback hell in the process. This is where the you don't know js series by kyle simpson rides in, zorro-like, to save the day. As a first book on javascript, it is everything that i thought it could be: concise, tightly written, absolutely disciplined, and devoid of the dead-tree filler found in much thicker programming books. I cannot recommend this series highly enough.

Like other books in the “You Don’t Know JS” series, this and Object Prototypes dives into trickier parts of the language that many JavaScript programmers simply avoid. Armed with this knowledge, you can become a true JavaScript master.

With this book you will:

• Explore how the this binding points to objects based on how the function is called
• Look into the nature of JS objects and why you’d need to point to them
• Learn how developers use the mixin pattern to fake classes in JS
• Examine how JS’s prototype mechanism forms links between objects
• Learn how to move from class/inheritance design to behavior delegation
• Understand how the OLOO (objects-linked-to-other-objects) coding style naturally implements behavior delegation

O’Reilly Media

You Don’T Know Js PDF: This & Object Prototypes
Author	Kyle Simpson
Isbn	1491904151
File size	10 Mb
Year	2014
Pages	174
Language	English
File format	PDF
Category	Programming

• You Don't Know Js: Types & Grammar
• Kyle Simpson
• 1 edition
• JavaScript Programming / Software Development / Computer Programming Languages
• February 17, 2015
• 1491904194
• 9781491904190
• English
• 198 pages
• PDF, ePUB

Book Description No matter how much experience you have with jаvascript, odds are you don’t fully understand the language. As part of the 'You Don’t Know JS' series, this compact guide explores jаvascript types in greater depth than previous treatments by looking at type coercion problems, demonstrating why types work, and showing you how to take advantage of these features.
Like other books in this series, You Don’t Know JS: Types & Grammar dives into trickier parts of the language that many jаvascript programmers simply avoid or assume don’t exist (like types). Armed with this knowledge, you can achieve true jаvascript mastery.
With this book you will:

• Get acquainted with jаvascript’s seven types: null, undefined, boolean, number, string, object, and symbol
• Understand why JavaSript’s unique array, string, and number characteristics may delight or confound you
• Learn how natives provide object wrappers around primitive values
• Dive into the coercion controversy—and learn why this feature is useful in many cases
• Explore various nuances in jаvascript syntax, involving statements, expressions, and other features

Content

1. Types
2. Values
3. Natives

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4. Coercion
5. Grammar

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