February 2015
Intermediate to advanced
664 pages
24h 26m
Polish
Content preview from Programowanie w JavaScript Rusz głową!
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520
Rozdział 11 .
Definiowanie domknięć
Domykanie funkcji
Najprawdopodobniej odgadłeś to już, wykonując ostatnie ćwiczenie, jednak
przeanalizujemy całe zagadnienie raz jeszcze: funkcja zazwyczaj ma
zmienne
lokalne
definiowane w jej ciele (dotyczy to także ewentualnych parametrów),
lecz może także używać zmiennych, które nie zostały zdefiniowane lokalnie
wewnątrz niej — tzw.
zmiennych niezależnych (ang. free variable). Określenie
niezależne pochodzi stąd, że wewnątrz ciała funkcji zmiennym niezależnym nie
jest przypisana żadna wartość (innymi słowy, nie zostały one zadeklarowane
wewnątrz funkcji). A kiedy środowisko zawiera wartości wszystkich zmiennych ...
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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.