February 2015
Intermediate to advanced
664 pages
24h 26m
Polish
Content preview from Programowanie w JavaScript Rusz głową!
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jesteś tutaj
55
Szybki skok na głębokie wody JavaScriptu
Wykonywanie operacji więcej niż jeden raz
Wiele czynności wykonujemy więcej niż jeden raz.
Nabierz, nałóż i powtórz…
W górę i w dół…
Bierzemy kolejny cukierek z miseczki, dopóty coś w niej jeszcze jest.
Oczywiście, także w kodzie często musimy wykonywać czynności więcej
niż jeden raz, a JavaScript udostępnia kilka pętli, które na to pozwalają;
są to pętle
while
,
for
,
for in
oraz
forEach
. Później przedstawimy je
wszystkie, jednak na razie skoncentrujemy się na pętli
while
.
Wspominaliśmy już o wyrażeniach, które zwracają wartość logiczną,
takich jak
scoops > 0
. Musisz wiedzieć, że właśnie takie ...
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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.
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.