You Don't Know JS - 6 Volumes Set (Paperback)
SKU: 8520343835

You Don't Know JS - 6 Volumes Set (Paperback)

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You Don't Know JS - 6 Volumes Set (Paperback)No matter how much experience you have with JavaScript, odds are you dont fully understand the language. This concise, in depth guide takes you inside JavaScripts this structure and object prototypes. Youll learn how they work and why theyre integral to behavior delegationa design pattern in which objects are linked, rather than cloned.'box sizing: border box; padding: 0px; margin top: 0em; margin bottom: 1em; margin left: 1em; font family: "Amazon

No matter how much experience you have with JavaScript, odds are you donít fully understand the language. This concise, in-depth guide takes you inside JavaScriptís this structure and object prototypes. Youíll learn how they work and why theyíre integral to behavior delegationa design pattern in which objects are linked, rather than cloned.'box-sizing: border-box; padding: 0px; margin-top: 0em; margin-bottom: 1em; margin-left: 1em; font-family: "Amazon Ember", Arial, sans-serif; font-size: small; background-color: rgb(255, 255, 255);'Like other books in the ìYou Donít Know JSî series, this and Object Prototypes dives into trickier parts of the language that many JavaScript programmers simply avoid. Armed with this knowledge, you can become a true JavaScript master.'box-sizing: border-box; padding: 0px; margin-top: 0em; margin-bottom: 1em; margin-left: 1em; font-family: "Amazon Ember", Arial, sans-serif; font-size: small; background-color: rgb(255, 255, 255);'With this book you will:
Explore how the this binding points to objects based on how the function is called
Look into the nature of JS objects and why youíd need to point to them
Learn how developers use the mixin pattern to fake classes in JS
Examine how JSís prototype mechanism forms links between objects
Learn how to move from class/inheritance design to behavior delegation
Understand how the OLOO (objects-linked-to-other-objects) coding style naturally implements behavior delegation

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SKU: 8520343835

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fnlhalas
Cuba, US
★★★★★ 5
earrings
Color: 10.Oct(Pink Tourmaline)
These are very pretty. The perfect size for any age ear. Really girly. They don't hurt the ears and they are not too heavy. Nice and light.
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Reviewed in the United States on November 15, 2025
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Rosebud
Draper, US
★★★★★ 5
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Color: 08.Aug(Peridot), Color: 08.Aug(Peridot)
These little butterfly Earrings are the perfect touch of personality for your ears. I got these for a friend's birthday and she's worn them every day since. When I picked these up, they were advertised as sterling silver which was a necessity for her ears. She hasnt had any issues and she hasn't had to take them out at all. The clasps are your average butterfly backing. And she did note that the back came off during sleep one night but it could be she is a hard sleeper. Other than that, they are secure. They are larger studs. Not awful large or gaudy. But people have noticed and complimented on them. They add that perfect touch of whimsy without exclaiming give me attention. Perfect to dress up or down and birthstones match anything after all!
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Reviewed in the United States on September 25, 2025
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Belleville, US
★★★★★ 4
Cute little butterflies!
Color: 10.Oct(Pink Tourmaline), Color: 10.Oct(Pink Tourmaline)
I got these for my daughter who just recently got her ears pierced for the first time. Since she is so young, I decided to try them first to see how well they handle. First, I was very impressed that they included plastic and metal backs. There’s also a nice little baggie to put the earrings in when they’re not in use. Second, my ears are very sensitive, which was a concern with wearing these, but after a few hours, they seemed to be fine still. Usually, after a few hours, I have to take earrings out. I could have worn these for longer and been OK. Last they are super cute! They match the description and color perfectly! I was very impressed. I could definitely see myself buying another pair. The earrings were also very good size not too big and not too small. Perfect for adult or child.
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Reviewed in the United States on October 9, 2025
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hanno9660
Draper, US
★★★★★ 5
Beautiful very colorful and comfortable
Color: 02.Feb(Amethyst)
These really are so cute--the purple color of the butterfly really stands out and when I'm wearing them, I can't even tell that I have them on.
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Reviewed in the United States on October 20, 2025
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jackie
Waukegan, US
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Size: XX-Large, Color: Nude
Perfect fit! After 2 battles with breast cancer and breast reconstruction I find it very difficult to find strapless or any bra for that matter that fit and are comfortable … this bra not only fits it stays put! I have purchased some pricey ones in the past but this gives a lot of bang for your buck. I also love the fact it stays in place- has rubber like adhesive that sticks to your skin and has no wires. I feel mangled after basically being amputated by a double mastectomy- I worry about the bra falling down exposing the fact I have no “nips” because cancer took all that away from me. Additionally, I like that it comes with removable straps for adjustability for extra support if needed. The quality seems to be good but I have yet to wash, just like any bra - gentle cycle wash and a flat air dry will extend the life of the bra.
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Reviewed in the United States on May 22, 2026

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