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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
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4.9 ★★★★★
Based on 1574 reviews
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Product Reviews
★★★★★ 3
Dog Toy
Size: Critter Zoo, Color: 5 Different Animals
These things were good for the first 45 minutes than my dog ripped it apart. Buy the variety pack it helps to keep the dog happy.
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Reviewed in the United States on May 4, 2026
★★★★★ 1
Waste of money
Color: Orange
So much for indestructible, it wasn’t in my home five minutes before the leg came off. No exaggeration! Dixy had the toy in her mouth and I reached up to wiggle it and the leg came off in my hand and no Dixy wasn’t pulling away. I only purchased this toy because it claimed to be indestructible. After shipping and handling it cost me $30. I justified the cost because I thought it would be worth it for Dixy to have a toy that would last. Isn’t that the impression you get by the discrimination “indestructible” To add insult to injury this company sent a second one for another $30 and it really ticks me off that the product discrimination on even the return label still describes it as an indestructible plush dog toy. Please don’t waste your money this not as advertised. There’s nothing about this product to justify the outrageous expense for a toy that didn’t last five minutes.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Quality and cuteness
Color: Brown
I loved this so much I must order one for my self it’s so darn cute. Thank you
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Reviewed in the United States on May 28, 2026
★★★★★ 1
Scam
Color: Brown+Blue, Color: Brown+Blue
Zero stars! What a disgrace. I waited weeks due to the delivery date changing after I placed the order. Then the shipping went up and cost more than the toy. It lasted 5 mins after opening, and it's head fell off. It was not even sewn on. So much for indestructible!!! Then when I returned, they sent a auto comment asking if I would keep it and take a 50% refund. No freaking way!! I'm so irritated right now.
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Reviewed in the United States on May 7, 2026
★★★★★ 1
This is not even chew resistant!!
Color: Brown
If there was an option for ZERO stars that would be this. Within 5 minutes my little 11 pound Havanese had all the ears off, then out came the stuffing. He had the little dog, and a green duck. I had to take the duck away to sew it….then he still had studding everywhere…and that was the little dog. Throwing stuffing and pieces away….I should have put these right back in the bags they came in. In no way ate these even chew “resistant “!!!! Probably just look good onna shelf.👎👎
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Reviewed in the United States on April 10, 2026