February 2015
Intermediate to advanced
664 pages
24h 26m
Polish
Content preview from Programowanie w JavaScript Rusz głową!
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Rozdział 12
Tworzenie konstruktora
Jak utworzyć konstruktor?
Budowanie konstruktorów jest procesem dwuetapowym: w pierwszym kroku definiujemy
konstruktor, a w drugim używamy go w celu tworzenia obiektów. Najpierw skoncentrujemy
się na napisaniu konstruktora.
Naszym celem jest napisanie konstruktora, którego będziemy mogli używać do tworzenia
psów, a mówiąc bardziej konkretnie: psów, które mają imię, wagę i są określonej rasy.
A zatem zdefiniujemy funkcję nazywaną konstruktorem, która będzie wiedzieć, jak tworzyć
takie psy. Oto ona.
function Dog(name, breed, weight) {
this.name = name;
this.breed = breed;
this.weight = weight;
}
Funkcja konstruktora ...
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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.
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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.