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You Don't Know JS: Up & Going 1st Edition

by Kyle Simpson (Author)
4.6 4.6 out of 5 stars 1,647 ratings
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It’s easy to learn parts of JavaScript, but much harder to learn it completely―or even sufficiently―whether you’re new to the language or have used it for years. With the "You Don’t Know JS" book series, you’ll get a more complete understanding of JavaScript, including trickier parts of the language that many experienced JavaScript programmers simply avoid.

The series’ first book, Up & Going, provides the necessary background for those of you with limited programming experience. By learning the basic building blocks of programming, as well as JavaScript’s core mechanisms, you’ll be prepared to dive into the other, more in-depth books in the series―and be well on your way toward true JavaScript.

With this book you will:

  • Learn the essential programming building blocks, including operators, types, variables, conditionals, loops, and functions
  • Become familiar with JavaScript's core mechanisms such as values, function closures, this, and prototypes
  • Get an overview of other books in the series―and learn why it’s important to understand all parts of JavaScript

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  1. ISBN-10
    9781491924464
  2. ISBN-13
    978-1491924464
  3. Edition
    1st
  4. Publisher
    O'Reilly Media
  5. Publication date
    May 5, 2015
  6. Book 3 of 6
    You Don't Know Js
  7. Language
    English
  8. Dimensions
    6.34 x 0.23 x 8.98 inches
  9. Print length
    85 pages
  10. See all details
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Editorial Reviews

About the Author

Kyle Simpson is an Open Web Evangelist from Austin, TX. He's passionate about JavaScript, HTML5, real-time/peer-to-peer communications, and web performance. Otherwise, he's probably bored by it. Kyle is an author, workshop trainer, tech speaker, and avid OSS community member.

Product details

  • ASIN ‏ : ‎ 1491924462
  • Publisher ‏ : ‎ O'Reilly Media; 1st edition (May 5, 2015)
  • Language ‏ : ‎ English
  • Paperback ‏ : ‎ 85 pages
  • ISBN-10 ‏ : ‎ 9781491924464
  • ISBN-13 ‏ : ‎ 978-1491924464
  • Item Weight ‏ : ‎ 5.1 ounces
  • Dimensions ‏ : ‎ 6.34 x 0.23 x 8.98 inches
  • Customer Reviews:
    4.6 4.6 out of 5 stars 1,647 ratings

About the author

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Kyle Simpson

Kyle Simpson

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Kyle Simpson is a web-oriented software engineer, widely acclaimed for his "You Don't Know JS" book series and nearly 1M hours viewed of his online courses. Kyle's superpower is asking better questions, who deeply believes in maximally using the minimally-necessary tools for any task. As a "human-centric technologist", he's passionate about bringing humans and technology together, evolving engineering organizations towards solving the right problems, in simpler ways. Kyle will always fight for the people behind the pixels.

Customer reviews

4.6 out of 5 stars
4.6 out of 5
1,647 global ratings
Giving Up & Going a "B/B+" Geek Grade
4 Stars
Giving Up & Going a "B/B+" Geek Grade
This book delivers exactly what it claims to contain. Any beginner or intermediate JavaScript developer can benefit from this book. What makes this so special is Kyle Simpson does a very good job at breaking down the most fundamental concepts such as scope, blocks and I/O as well as not stopping at defining, but takes things a step further by defining how basic JavaScript operates. Even more advanced developers can find use of this lean, but mean reference book. Examples are clean and concise.At the cost, all front-end, back-end and full stack developers should have this sitting among their technical book collection. Cheaper than many e-books.My only issue (and this may be the case for me alone) lies with the print quality. Beginning with the Foreword and ending with the Appendix section, I have counted fourteen (14) pages with variable print density: left of each page suggest low-toner or my book was at the end of print batch run. Nonetheless, words are fairly visible, but I had to remove one star for this issue alone.Final verdict: Content is resourceful (grade A) which is all you can ask for in when it comes to technical reference material, however the print quality (C) needs quality check before shipping out to vendors.
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Top reviews from the United States

Dom Hallan
5.0 out of 5 stars The truth is, we don’t know JavaScript
Reviewed in the United States on December 3, 2019
Verified Purchase
Kyle takes the perceived notions of JavaScript and makes you throw out that which you have perceived incorrectly. He shifts the our thought landscape of JavaScript being a squirrelly toy to being a powerhouse that is often used as well as misunderstood. Kyle is a thoughtful author that goes deep where needed and stays out of the compiler theorist type explanations where it would not be fruitful otherwise. While he doesn’t hide his opinion on a given topic, it’s not based in “feelings”, but that which is factually accurate. Buy every damn book in the series, you’ll be a better Engineer because if it. Bravo!!
One person found this helpful
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nyhunter77
5.0 out of 5 stars Very good and straight to the point.
Reviewed in the United States on July 16, 2017
Verified Purchase
Written very clear, concise, and full of optimism and excitement! I am reading this series in order to learn all the things I never did learn. My concern when I purchased this series was that it would not be updated enough with new ES6 updates but at least from this first book, it seems like the author has gone through and tried to update things for today. I am excited to go forward and fill all the gaps in my JS knowledge!
2 people found this helpful
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Brëw×Caffeine
4.0 out of 5 stars Giving Up & Going a "B/B+" Geek Grade
Reviewed in the United States on September 16, 2017
Verified Purchase
This book delivers exactly what it claims to contain. Any beginner or intermediate JavaScript developer can benefit from this book. What makes this so special is Kyle Simpson does a very good job at breaking down the most fundamental concepts such as scope, blocks and I/O as well as not stopping at defining, but takes things a step further by defining how basic JavaScript operates. Even more advanced developers can find use of this lean, but mean reference book. Examples are clean and concise.
At the cost, all front-end, back-end and full stack developers should have this sitting among their technical book collection. Cheaper than many e-books.
My only issue (and this may be the case for me alone) lies with the print quality. Beginning with the Foreword and ending with the Appendix section, I have counted fourteen (14) pages with variable print density: left of each page suggest low-toner or my book was at the end of print batch run. Nonetheless, words are fairly visible, but I had to remove one star for this issue alone.

Final verdict: Content is resourceful (grade A) which is all you can ask for in when it comes to technical reference material, however the print quality (C) needs quality check before shipping out to vendors.
Customer image
Brëw×Caffeine
4.0 out of 5 stars Giving Up & Going a "B/B+" Geek Grade
Reviewed in the United States on September 16, 2017
This book delivers exactly what it claims to contain. Any beginner or intermediate JavaScript developer can benefit from this book. What makes this so special is Kyle Simpson does a very good job at breaking down the most fundamental concepts such as scope, blocks and I/O as well as not stopping at defining, but takes things a step further by defining how basic JavaScript operates. Even more advanced developers can find use of this lean, but mean reference book. Examples are clean and concise.
At the cost, all front-end, back-end and full stack developers should have this sitting among their technical book collection. Cheaper than many e-books.
My only issue (and this may be the case for me alone) lies with the print quality. Beginning with the Foreword and ending with the Appendix section, I have counted fourteen (14) pages with variable print density: left of each page suggest low-toner or my book was at the end of print batch run. Nonetheless, words are fairly visible, but I had to remove one star for this issue alone.

Final verdict: Content is resourceful (grade A) which is all you can ask for in when it comes to technical reference material, however the print quality (C) needs quality check before shipping out to vendors.
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10 people found this helpful
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Galvis
5.0 out of 5 stars The first JavaScript book you want to start
Reviewed in the United States on July 23, 2016
Verified Purchase
Definitely the book you want to start to learn JavaScript with. I knew a little bit about programming before I started this book but even if I didnt it covers all the basics. Kyle's style is very simple and he breaks everything down giving you a great explanation as to what is going on in the code. I will continue to checkout his other books as well. My recommendation is to use this book and sign up for FrontEndMasters. He teaches a course there intro to js which is pretty much this book but more in depth. I would recommend this book for anyone new to programming or trying to learn JavaScript.
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michiganlakes
5.0 out of 5 stars Excellent author - instructive pace and detail
Reviewed in the United States on March 7, 2016
Verified Purchase
What I have read so far is excellent instruction. This opinion from an engineer with limited but reasonable code background, enough to follow good technical information that is meant to teach a technical subject for true understanding. True understand? Many books in technical subjects are written to virtually insure only the best can stay with it or require a class (textbook) to move through the material (and get class time for questions). We called it weeding it out, in college. This series is not that, but written like the rare technical teacher who really wants people to stay interested and learn.
5 people found this helpful
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Johnathon Sykes
5.0 out of 5 stars A great introduction to JS and basic programming constructs
Reviewed in the United States on January 12, 2016
Verified Purchase
Was recommended this book series before but decided to go the route of Eloquent JavaScript. While EJ is a great book, filled with humor and detailed explanations, reading it was pretty challenging as someone who is new to programming.

Enter YDKJS

The book is laid out succinctly and, maybe more importantly, for the layman. It assumes no prior knowledge, which was EJ'S sold weakness. The author's passion for the language and ALL of its features seems to burst from every word in this very terse book. I wish I would have started this series sooner, to be honest.
3 people found this helpful
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EJK
5.0 out of 5 stars Good to learn the very basics
Reviewed in the United States on April 14, 2020
Verified Purchase
Not substantial on its own to learn JavaScript. Supplemental books will be required to get a better knowledge base of JS. But I like the way Kyle Simpson explains the concepts and has a quirky sense of humor. It's good for beginners. However YouTube videos are free so I'd recommend using those first.
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Cflowers
4.0 out of 5 stars Great Intro Book to Javascript
Reviewed in the United States on September 26, 2015
Verified Purchase
Definitely a beginner or intro book. I read through the whole thing in a little over an hour, a testament of being easy to follow but also being extremely short. One thing I didn't like (as others have mentioned) was the continual shout-outs to the other books in the series. If the author's goal was to whet the taste buds of the reader and tempt them into buying the rest of the series, he's certainly committed. Granted, even from the title of this book it is clear it was made to be entry-level reading material. The author did make me chuckle in the Preface with a clear call-out to another well known JavaScript book implying that even the title was degrading to the power and perception of the language.

For beginners or people new to JavaScript, I would recommend it. It covers all the necessities to get someone "Up & Going" for lack of better words. For those with knowledge in other languages, the author does highlight a couple key aspects of JavaScript such as closures that might help lay the basis for further reading. If you have any measurable experience with the language, most of this book will just be a review.

Overall, I bought this book for $4.99. For less than the cost of a fast food meal, there's plenty of knowledge written in an inviting manner that should be easy for a beginner to follow along and learn with.
4 people found this helpful
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Top reviews from other countries

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Amer
5.0 out of 5 stars Nice series of books
Reviewed in Germany on April 13, 2021
Verified Purchase
An amazing introduction for JavaScript. It has a lot of deep details and simple way of teaching which makes it easier for people who don’t speak English as mother language
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Luis Hernández
5.0 out of 5 stars Si te gusta/interesa JavaScript, lo tienes que leer
Reviewed in Mexico on November 5, 2018
Verified Purchase
Este libro cubre aspectos básicos del lenguaje de una forma bastante sencilla de digerir. No importa si eres principiante o avanzado, este libro podrá enseñarte cosas que no sabías del lenguaje.
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Wilson
5.0 out of 5 stars Good
Reviewed in India on November 23, 2019
Verified Purchase
A very good book to get intro into JS. Read this before u read other books of this volume. 👍
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José Antonio Camiña Villamil
5.0 out of 5 stars Colección de libros necesarios para aprender conceptos clave de JS
Reviewed in Spain on June 25, 2018
Verified Purchase
Este libro en particular hace una pequeña introducción a lo que serán el resto de libros de la colección ( de ahí que sea gratis ). No aporta demasiado pero deja entrever que la serie de libros va a estar realmente bien. Aún no los he leido todos, pero os adelanto que merecen realmente la pena (aun que quizas estén un poco caros)
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Lhotte Francois
5.0 out of 5 stars Un nouveau visage de JavaScript
Reviewed in France on January 16, 2018
Verified Purchase
Ce livre est plus qu’une introduction aux quatre livres qui suivent et développent les concepts-clés de JavaScript : c’est une invitation forte à sortir de sa zone de confort pour voir JS comme un « vrai » langage, et de ne plus se contenter de quelques copié-collés, un code troussé à la va-vite et un œil sur le debugger …
Une mise en bouche réussie pour « avaler » les bouquins qui suivent !
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