February 2015
Intermediate to advanced
664 pages
24h 26m
Polish
Content preview from Programowanie w JavaScript Rusz głową!
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50
Rozdział 1.
Słowa kluczowe języka JavaScript
Odsuń się od tej klawiatury!
Już wiesz, że zmienne mają nazwy oraz wartości.
Wiesz także, że wśród danych, które mogą zawierać zmienne, są m.in. liczby, łańcuchy znaków
oraz wartości logiczne.
Jakie nazwy możemy nadawać zmiennym? Czy mogą być one zupełnie dowolne?
Otóż nie, nazwy
zmiennych nie mogą być zupełnie dowolne, jednak reguły ich określania są proste. Jeśli będziesz
stosował się do dwóch poniższych reguł, zawsze utworzysz prawidłowe nazwy zamiennych.
1D]ZD]PLHQQHMSRZLQQD]DF]\QDüVLĊRGOLWHU\
]nDNu SRGNUeĞOeniD B OuE ]nDNu GRODUD
-DNR GUuJi ]nDN i nDVWĊSne mRĪnD VWRVRwDü OiWeU\
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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.