February 2015
Intermediate to advanced
664 pages
24h 26m
Polish
Content preview from Programowanie w JavaScript Rusz głową!
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Stosowanie prototypów
Łańcuch prototypów nie kończy się na psie
Poznałeś już kilka przykładów łańcuchów prototypów — mamy
początkowy prototyp
Dog
, po którym dziedziczą obiekty wszystkich
naszych psów, mamy także bardziej wyspecjalizowane instancje psów
pokazowych, które dziedziczą zarówno po prototypie
ShowDog
, jak
i po
Dog
.
Czy jednak w obu tych przypadkach
Dog
jest ostatnim prototypem
w łańcuchu? Okazuje się, że nie, bo nawet instancje
Dog
mają swój
własny prototyp,
Object
.
W rzeczywistości każdy łańcuch prototypów, który kiedykolwiek
utworzymy, będzie się kończył na prototypie
Object
. Dzieje się
tak dlatego, że
Object
jest domyślnym ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.