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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
You Don't Know JS: ES6 & Beyond"font style: normal; font variant: normal; font weight: normal; letter spacing: normal; line height: 15px; orphans: auto; text align: justify; text indent: 0px; text transform: none; white space: normal; widows: 1; word spacing: 0px; webkit text stroke width: 0px; color: rgb(51, 51, 51); font family: Arial, Verdana, Geneva, Helvetica, sans serif; font size: 12px; background color: rgb(255, 255, 255);"No matter how much experience you have with
"font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 15px; orphans: auto; text-align: justify; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; color: rgb(51, 51, 51); font-family: Arial, Verdana, Geneva, Helvetica, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);"No matter how much experience you have with JavaScript, odds are you dont fully understand the language. As part of the "You Dont Know JS" series, this compact guide focuses on new features available in ECMAScript 6 (ES6), the latest version of the standard upon which JavaScript is built."font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 15px; orphans: auto; text-align: justify; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; color: rgb(51, 51, 51); font-family: Arial, Verdana, Geneva, Helvetica, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);"Like other books in this series, You Dont Know JS: ES6 & Beyond dives into trickier parts of the language that many JavaScript programmers either avoid or know nothing about. Armed with this knowledge, you can achieve true JavaScript mastery."font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 15px; orphans: auto; text-align: justify; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; color: rgb(51, 51, 51); font-family: Arial, Verdana, Geneva, Helvetica, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);"With this book, you will: Learn new ES6 syntax that eases the pain points of common programming idioms Organize code with iterators, generators, modules, and classes Express async flow control with Promises combined with generators Use collections to work more efficiently with data in structured ways Leverage new API helpers, including Array, Object, Math, Number, and String Extend your programs capabilities through meta programming Preview features likely coming to JS beyond ES6Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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4.2 ★★★★★
Based on 1752 reviews
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Product Reviews
★★★★★ 5
Fits your COVID vaccine card!
This wallet is very lovely (fine workmanship, smooth and not distressed leather as in the photo). Comes in a quality metal box that has possibly thrilled my husband even more than the wallet itself. Holds everything including weird currencies, parking stubs, even your COVID vaccine document — you do have one, right?
Perfect gift.
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Reviewed in the United States on June 26, 2021
★★★★★ 4
Well made,
The leather is flawless, all the stitching is well done, the ability to organize my cards in groups worked out well.
It's overall size is fine, fits well in a front pocket, flatter than a tri-fold, not bulky.
My only wish would be making the width of the inner double sided leather card holder page pockets just 1/8" wider. In my opinion this would then be a 5-star wallet. One spot to hold some of the just wider than credit card size for easy access would be nice.
Besides that, I intend to use it until it is worn out. Nice wallet!
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Reviewed in the United States on January 22, 2022
★★★★★ 5
Great Quality
Color: Ryan Black, Size: One Size
This is what I wanted , this is the second time I am buying the same wallet to gift as it's leather is great and stiching is amazing.
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Reviewed in the United States on January 15, 2024
★★★★★ 5
Beloved item
Color: Ryan Black, Size: One Size
It looks very good and holds a lot. Just takes some breaking in to.
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Reviewed in the United States on September 14, 2025
★★★★★ 3
Size matters
Color: Derrick Dark Brown, Size: One Size
The quality of the wallet is fine, but the size… it’s way to big to fit in a man’s pocket easily. I should’ve done a better job reading the measurements, but dang!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2022
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