---
title: Przewodnik JavaScript
slug: Web/JavaScript/Guide
tags:
  - JavaScript
  - Przewodnik JavaScript
translation_of: Web/JavaScript/Guide
---
<div>{{jsSidebar("JavaScript Guide")}}</div>

<p class="summary">Przewodnik JavaScript pokazuje jak używać <a href="/en-US/docs/Web/JavaScript">JavaScript</a> oraz pokazuje ogólny przegląd języka. Jeśli potrzebujesz wyczerpujących informacji o konkretnej funkcjonalności zajrzyj do <a href="/en-US/docs/Web/JavaScript/Reference">JavaScript reference</a>.</p>

<h2 id="Rozdziały">Rozdziały</h2>

<p>Ten przewodnik jest podzielony na kilka rozdziałów:</p>

<ul class="card-grid">
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Introduction">Wprowadzenie</a></span>

  <p><a href="/en-US/docs/Web/JavaScript/Guide/Introduction#Where_to_find_JavaScript_information">O tym przewodniku</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Introduction#What_is_JavaScript">O JavaScript</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Introduction#JavaScript_and_Java">JavaScript i Java</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Introduction#JavaScript_and_the_ECMAScript_Specification">ECMAScript</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Introduction#Getting_started_with_JavaScript">Narzędzia</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Introduction#Hello_world">Hello World</a></p>
 </li>
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Grammar_and_types">Gramatyka i typy</a></span>
  <p><a href="/en-US/docs/Web/JavaScript/Guide/Grammar_and_types#Basics">Podstawy składni i komentarze</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Grammar_and_types#Declarations">Deklaracje</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Grammar_and_types#Variable_scope">Zakres zmiennej</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Grammar_and_types#Variable_hoisting">Podnoszenie (hoisting) zmiennej</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Grammar_and_types#Data_structures_and_types">Struktury i typy danych</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Grammar_and_types#Literals">Literały</a></p>
 </li>
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Control_flow_and_error_handling">Kontrola przepływu i obsługa błędów</a></span>
  <p><code><a href="/en-US/docs/Web/JavaScript/Guide/Control_flow_and_error_handling#if...else_statement">if...else</a></code><br>
   <code><a href="/en-US/docs/Web/JavaScript/Guide/Control_flow_and_error_handling#switch_statement">switch</a></code><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Control_flow_and_error_handling#Exception_handling_statements"><code>try</code>/<code>catch</code>/<code>throw</code></a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Control_flow_and_error_handling#Utilizing_Error_objects">Obiekty Error</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Control_flow_and_error_handling#Promises">Obietnice (Promises)</a></p>
 </li>
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration">Pętle i iteracje</a></span>
  <p><code><a href="/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration#for_statement">for</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration#while_statement">while</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration#do...while_statement">do...while</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration#break_statement">break</a>/<a href="/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration#continue_statement">continue</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration#for...in_statement">for..in</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration#for...of_statement">for..of</a></code></p>
 </li>
</ul>

<ul class="card-grid">
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Functions">Funkcje</a></span>

  <p><a href="/en-US/docs/Web/JavaScript/Guide/Functions#Defining_functions">Definiowanie funkcji</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Functions#Calling_functions">Wywołanie funkcji</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Functions#Function_scope">Zakres funkcji</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Functions#Closures">Domknięcia</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Functions#Using_the_arguments_object">Argumenty </a>i <a href="/en-US/docs/Web/JavaScript/Guide/Functions#Function_parameters">parametry</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Functions#Arrow_functions">Funkcje strzałkowe</a></p>
 </li>
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators">Wyrażenia i operatory</a></span>
  <p><a href="/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Assignment_operators">Przypisanie</a> i <a href="/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Comparison_operators">Porównanie</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Arithmetic_operators">Operatory arytmetyczne</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Bitwise_operators">Bitowe</a> i <a href="/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Logical_operators">logiczne operatory</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Conditional_(ternary)_operator">Operator warunkowy (potrójny)</a></p>
 </li>
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Numbers_and_dates">Numery i daty</a></span><a href="/en-US/docs/Web/JavaScript/Guide/Numbers_and_dates#Numbers"> Literały numeryczne</a>
  <p><a href="/en-US/docs/Web/JavaScript/Guide/Numbers_and_dates#Number_object">Obiekt <code>Number</code></a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Numbers_and_dates#Math_object">Obiekt <code>Math</code></a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Numbers_and_dates#Date_object">Obiekt <code>Date</code></a></p>
 </li>
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Text_formatting">Formatowanie tekstu</a></span>
  <p><a href="/en-US/docs/Web/JavaScript/Guide/Text_formatting#String_literals">Literały String</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Text_formatting#String_objects">Obiekt <code>String</code></a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Text_formatting#Multi-line_template_literals">Literały szablonowe</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Text_formatting#Internationalization">Umiędzynarodowienie</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Regular_Expressions">Wyrażenia regularne</a></p>
 </li>
</ul>

<ul class="card-grid">
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Indexed_collections">Kolekcje indeksowane</a></span>

  <p><a href="/en-US/docs/Web/JavaScript/Guide/Indexed_collections#Array_object">Tablice</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Indexed_collections#Typed_Arrays">Tablice typowane</a></p>
 </li>
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Keyed_collections">Kolekcje z kluczem (Keyed collections)</a></span>
  <p><code><a href="/en-US/docs/Web/JavaScript/Guide/Keyed_collections#Map_object">Map</a></code><br>
   <code><a href="/en-US/docs/Web/JavaScript/Guide/Keyed_collections#WeakMap_object">WeakMap</a></code><br>
   <code><a href="/en-US/docs/Web/JavaScript/Guide/Keyed_collections#Set_object">Set</a></code><br>
   <code><a href="/en-US/docs/Web/JavaScript/Guide/Keyed_collections#WeakSet_object">WeakSet</a></code></p>
 </li>
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Working_with_Objects">Praca z obiektami</a></span>
  <p><a href="/en-US/docs/Web/JavaScript/Guide/Working_with_Objects#Objects_and_properties">Obiekty i właściwości</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Working_with_Objects#Creating_new_objects">Tworzenie obiektów</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Working_with_Objects#Defining_methods">Definiowanie metiod</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Working_with_Objects#Defining_getters_and_setters">Gettery i settery</a></p>
 </li>
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Details_of_the_Object_Model">Szegóły i model obiektowy</a></span>
  <p><a href="/en-US/docs/Web/JavaScript/Guide/Details_of_the_Object_Model#Class-based_vs._prototype-based_languages">OOP bazujące na prototypach</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Details_of_the_Object_Model#Creating_the_hierarchy">Tworzenie hierarchii obiektów</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Details_of_the_Object_Model#Property_inheritance_revisited">Dziedziczenie</a></p>
 </li>
</ul>

<ul class="card-grid">
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Iterators_and_Generators">Iteratory i generatory</a></span>

  <p><a href="/en-US/docs/Web/JavaScript/Guide/Iterators_and_Generators#Iterators">Iteratory</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Iterators_and_Generators#Iterables">Iterables (Obiekty dające się powtórzyć)</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Iterators_and_Generators#Generators">Generatory</a></p>
 </li>
 <li><span><a href="/en-US/docs/Web/JavaScript/Guide/Meta_programming">Meta programowanie</a></span>
  <p><code><a href="/en-US/docs/Web/JavaScript/Guide/Meta_programming#Proxies">Proxy</a></code><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Meta_programming#Handlers_and_traps">Handlery i pułapki</a><br>
   <a href="/en-US/docs/Web/JavaScript/Guide/Meta_programming#Revocable_Proxy">Odwołalne Proxy</a><br>
   <code><a href="/en-US/docs/Web/JavaScript/Guide/Meta_programming#Reflection">Reflect</a></code></p>
 </li>
</ul>

<p>{{Next("Web/JavaScript/Guide/Introduction")}}</p>