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No matter how much experience you have with JavaScript, odds are you don’t fully understand the language. As part of the "You Don’t Know JS" series, this compact guide explores JavaScript 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 JavaScript programmers simply avoid or assume don’t exist (like types). Armed with this knowledge, you can achieve true JavaScript mastery. With this book you will: Get acquainted with JavaScript’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 JavaScript syntax, involving statements, expressions, and other features Review: Teaches you the nuances and details you never studied. - I'm not a noob for JavaScript, but I'm not an expert either. Up until now, I've been using a minimal of JS to develop small single page apps to manage my Java web apps. Things have changed and now, I'm expected to become a "Full Stack Developer" concentrating on the Front end of my Apps. This is where this book (and ALL the others in this series) excel. Those of us that learned "just enough JavaScript" to get by can eat this stuff up. In this book and the entire series, Kyle presents the good, bad and fugly of JavaScript. He tells you how to implement best practices and how to get around and even embrace some of the ugly parts of JavaScript. He tells you WHY some of the "features (not bugs)" were implemented and HOW the JS "compiler" implements the features of JS. This is EXTREMELY helpful in understanding the language (I wish there were Java books like this.) These are not beginner books, but I would say that EVERY JavaScript Developer should read and have on their Kindle or Bookshelf. It should be REQUIRED reading for those who want to become JS experts. And I LOVE Kyle's style of writing. It hooks you and keeps you interested. Thank you Kyle Simpson for such great books. Review: You really don't know Javascript... Finally a book series that covers the language like no other. Start the series @ second book - This is on of a series of books on JavaScript. Do yourself a favor and buy he series. It's absolutely the best information I have read on the js language. This is the third book in the series. The first book seems to be for complete newbies, but the rest of the series covers language concepts, how the engine processes the code, and it leads you to the promise land of understanding how to use the language optimally, and shines a light on how many have gone to great length to use the language like in a object oriented fashion, and failed. I walk away with a clear understanding of how I want to use javascript from now on.
| Best Sellers Rank | #537,284 in Books ( See Top 100 in Books ) #77 in JavaScript Programming (Books) #352 in Computer Programming Languages #1,146 in Programming Languages (Books) |
| Customer Reviews | 4.7 out of 5 stars 174 Reviews |
S**L
Teaches you the nuances and details you never studied.
I'm not a noob for JavaScript, but I'm not an expert either. Up until now, I've been using a minimal of JS to develop small single page apps to manage my Java web apps. Things have changed and now, I'm expected to become a "Full Stack Developer" concentrating on the Front end of my Apps. This is where this book (and ALL the others in this series) excel. Those of us that learned "just enough JavaScript" to get by can eat this stuff up. In this book and the entire series, Kyle presents the good, bad and fugly of JavaScript. He tells you how to implement best practices and how to get around and even embrace some of the ugly parts of JavaScript. He tells you WHY some of the "features (not bugs)" were implemented and HOW the JS "compiler" implements the features of JS. This is EXTREMELY helpful in understanding the language (I wish there were Java books like this.) These are not beginner books, but I would say that EVERY JavaScript Developer should read and have on their Kindle or Bookshelf. It should be REQUIRED reading for those who want to become JS experts. And I LOVE Kyle's style of writing. It hooks you and keeps you interested. Thank you Kyle Simpson for such great books.
D**D
You really don't know Javascript... Finally a book series that covers the language like no other. Start the series @ second book
This is on of a series of books on JavaScript. Do yourself a favor and buy he series. It's absolutely the best information I have read on the js language. This is the third book in the series. The first book seems to be for complete newbies, but the rest of the series covers language concepts, how the engine processes the code, and it leads you to the promise land of understanding how to use the language optimally, and shines a light on how many have gone to great length to use the language like in a object oriented fashion, and failed. I walk away with a clear understanding of how I want to use javascript from now on.
I**X
1UP to the series
Awesome book! Content is clear, easy to understand, but deep enough to really cover all the fundamentals. Recommended for anyone, who is familiar with JavaScript and wants to get a deeper understanding of what is going on beneath the hood. This is especially important for front-enders, who never really touch many important aspects of JavaScript and writing efficient, well-thought code is a major problem for them.
M**R
Kyle Simpson's Series is a must own
This series from Kyle Simpson is hands down the best explanation of JavaScript I have read. This series of books has helped me accept how "this" works in JavaScript, coming from a Java/C# background it was hard to get over the ingrained behavior I thought "this" should have.
A**S
Tour de force
Nick Zakas's "High Performance JavaScript" has always been my favorite JS book for senior devs. I can honestly say this piece surpasses that. It's probably the most dense 177 pages I've ever seen. The table of contents accessible from Amazon will enumerate the topics discussed; for the purpose of this review let it suffice that each area is ripped apart to reveal details that virtually any senior developer will be unaware of, and likely be surprised by. The section on loose equality alone is something I anticipate referencing in the future. Very well done.
L**O
Must read for any serious Frontend Engineer
While these books are available on GitHub for free, I prefer the analog version. This series is a must read for any serious Frontend Engineer.
Y**I
Solid and well rounded introduction of low level JS
Literally JavaScript: The Bad Part. However, it helps you understand how JS works underneath those fancy ES5/6/7 syntax. Recommend for experienced JS developers.
V**N
No index and a splintered series harms the text quite a lot
Overall, the treatment of the topic is quite good. It is, however, all but inexcusable that the book lacks an index. The book would otherwise be a great resource for settling language lawyer questions. As it is, it is not very useful for that purpose. Additionally, the splitting of the author's treatment of JS over six books seems a money grab from O'Reilly (a publisher that I generally like a great deal). Perhaps a single volume would have been unwieldy, but the series could (and should) have been issued in at most three titles.
L**S
Génial!
Les ressources concernant la programmation souvent destinées aux débutants, rarement à ceux qui aimeraient approfondir un langage. Le livre n'est pas "verbeux" (comme trop souvent chez les auteurs francophones), c'est direct, petits exemples (et pas des codes longs et ennuyants), génial. Ce livre est donc une bénédiction, comme le reste de la série du reste! L'anglais de Kyle est très accessible, facile à lire pour un francophone. Merci Kyle.
J**O
Muy muy bueno
Tan bueno como los libros anteriores de esta serie, aclara conceptos a los que no solemos dar mucha importancia y acaban siendo una fuente de problemas muy común. Aporta una visión muy interesante aclarando los misterios que rodean el proceso de transformación de tipos llevado a cabo por JS.
J**R
A Javascript must-read.
As a Javascript professional since its inception, this series still found ways to teach me things I did not know. An absolute professional reference, and required reading for my developer teams.
A**N
Must buy!
These book are brilliant for learning JS from simple understanding to advanced programming
M**S
very good book for beginners
very good book for beginners
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