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Shoeisha Co., Ltd.

Address 5 Funamachi Shinjuku-ku Tokyo, JAPAN ZIP:160-0006
Representative Name Kaoru Usui
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≪ I can't sleep until I solve all the questions! ≫

[winding up declarations][defining multiple homonymous functions][integer ranges]etc......

Even if you think you know the basic syntax and functions of JavaScript, deriving the output is surprisingly difficult. This book is a supreme collection of 29 such difficult and strange problems. Each problem is tricky and takes advantage of the characteristics of JavaScript. A deep understanding of JavaScript is required to answer them correctly.

But don't worry if you can't solve them! Turn the page, and detailed explanations will be waiting for you. Understand why a given code behaves the way it does, and hone your JavaScript skills even further.

Now, how many of these difficult puzzles can you solve?

*Table of Contents*

*Puzzle 1: Your code can be better
*Puzzle 2: The Usurper
*Puzzle 3 Math wizard
*Puzzle 4 The Mortal Kombat
*Puzzle 5 A slightly different identifier for offbeat
*Puzzle 6 Fun Fun Fun Fun Fun Fun Fun Fun
*Puzzle 7 How long is the pirate flag?
*Puzzle 8 What's this all about?
*Puzzle 9 Flat Earth Society
*Puzzle 10 Spell with ones and zeros
*Puzzle 11 Math with dates
*Puzzle 12 How many values does Math have?
*Puzzle 13 Dutch or Netherland?
*Puzzle 14 Containment with Closures
*Puzzle 15 Decipher the Color Code
*Puzzle 16 Get in Line
*Puzzle 17 Track Asynchronous Tasks
*Puzzle 18 NaN, NaN, NaN
*Puzzle 19 Hexadecimalism
*Puzzle 20 Array Principle
*Puzzle 21 Chain Master
*Puzzle 22 Shape Shifter
*Puzzle 23 Alphabet Aerobics
*Puzzle 24 Are Your Eyes True?
*Puzzle 25 Truth or Fiction? Or is it fiction?
*Puzzle 26 On or Off? Or off?
*Puzzle 27 Shopping list
*Puzzle 28 Negative gravity
*Puzzle 29 Create your own JavaScript puzzle

SD item code:13740758

Detail Price & Quantity
S1
Faraz K. Kelhini Originally authored by Supervised by Queep Co. Translated by
Faraz K. Kelhini 原著 株式会社クイープ 監修 株式会社クイープ 翻訳
(190200)
JAN:9784798190204
(190200) JAN:9784798190204

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Details
Item added on: 2025/8/4
Shipping Date
About 1 week
Dimensions
Format:A5
Number of pages:144
Specifications
Country of manufacture: Japan
Material / component: Format:Book (paper)
Year of manufacture: 2025
Product tag: None

Description

≪ I can't sleep until I solve all the questions! ≫

[winding up declarations][defining multiple homonymous functions][integer ranges]etc......

Even if you think you know the basic syntax and functions of JavaScript, deriving the output is surprisingly difficult. This book is a supreme collection of 29 such difficult and strange problems. Each problem is tricky and takes advantage of the characteristics of JavaScript. A deep understanding of JavaScript is required to answer them correctly.

But don't worry if you can't solve them! Turn the page, and detailed explanations will be waiting for you. Understand why a given code behaves the way it does, and hone your JavaScript skills even further.

Now, how many of these difficult puzzles can you solve?

*Table of Contents*

*Puzzle 1: Your code can be better
*Puzzle 2: The Usurper
*Puzzle 3 Math wizard
*Puzzle 4 The Mortal Kombat
*Puzzle 5 A slightly different identifier for offbeat
*Puzzle 6 Fun Fun Fun Fun Fun Fun Fun Fun
*Puzzle 7 How long is the pirate flag?
*Puzzle 8 What's this all about?
*Puzzle 9 Flat Earth Society
*Puzzle 10 Spell with ones and zeros
*Puzzle 11 Math with dates
*Puzzle 12 How many values does Math have?
*Puzzle 13 Dutch or Netherland?
*Puzzle 14 Containment with Closures
*Puzzle 15 Decipher the Color Code
*Puzzle 16 Get in Line
*Puzzle 17 Track Asynchronous Tasks
*Puzzle 18 NaN, NaN, NaN
*Puzzle 19 Hexadecimalism
*Puzzle 20 Array Principle
*Puzzle 21 Chain Master
*Puzzle 22 Shape Shifter
*Puzzle 23 Alphabet Aerobics
*Puzzle 24 Are Your Eyes True?
*Puzzle 25 Truth or Fiction? Or is it fiction?
*Puzzle 26 On or Off? Or off?
*Puzzle 27 Shopping list
*Puzzle 28 Negative gravity
*Puzzle 29 Create your own JavaScript puzzle

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