February 2015
Intermediate to advanced
664 pages
24h 26m
Polish
Content preview from Programowanie w JavaScript Rusz głową!
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120
Rozdział 3.
Jak działa funkcja
No dobrze, ale jak to właściwie działa?
Najpierw przepiszemy istniejący kod z użyciem funkcji
bark
.
function bark(name, weight) {
if (weight > 20) {
console.log(name + ” szczeka HAU HAU”);
} else {
console.log(name + ” szczeka hau hau”);
}
}
bark(”Burek”, 23);
bark(”Mops”, 13);
bark(”Reksio”, 53);
bark(”Saba”, 17);
O… To jest niezłe…
Cała logika kodu znalazła
się w jednym miejscu.
Teraz cały kod sprowadza się jedynie do
kilku wywołań funkcji bark, do których
przekazywane są imiona i waga psów.
O rany, teraz kod
jest taki prosty!
Nieźle… Teraz kod jest naprawdę znacznie krótszy — będzie także zapewne bardziej czytelny dla ...
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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.