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JavaScript
book

JavaScript

by David Flanagan
March 2021
Intermediate to advanced
608 pages
22h 5m
Polish
Helion
Content preview from JavaScript

Rozdział 2. Struktura leksykalna

Struktura leksykalna języka programowania to zestaw podstawowych zasad pisania kodu w tym języku. Jest to niskopoziomowa składnia specyfikująca nazwy zmiennych, znaki komentarza, sposób oddzielania instrukcji od tekstu itp. Ten krótki rozdział opisuje strukturę leksykalną języka JavaScript, w szczególności:

  • wielkości liter, spacje, podziały wierszy,
  • komentarze,
  • literały,
  • identyfikatory i zarezerwowane słowa,
  • standard Unicode,
  • opcjonalne średniki.

2.1. Tekst programu

JavaScript jest językiem, w którym istotna jest wielkość liter. Oznacza to, że słowa kluczowe, zmienne, nazwy funkcji i inne identyfikatory muszą być spójne pod względem wielkości liter. Na przykład słowo while musi być wpisywane w takiej właśnie ...

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Publisher Resources

ISBN: 9788383227597