https://github.com/jcoderpaul/js_ls_green_book

Quick reference guide to JavaScript with examples and explanations.
https://github.com/jcoderpaul/js_ls_green_book
Last synced: 10 months ago
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Quick reference guide to JavaScript with examples and explanations.
Host: GitHub
URL: https://github.com/jcoderpaul/js_ls_green_book
Owner: JcoderPaul
Created: 2025-08-18T03:26:51.000Z (10 months ago)
Default Branch: master
Last Pushed: 2025-09-02T01:20:58.000Z (10 months ago)
Last Synced: 2025-09-02T03:12:04.602Z (10 months ago)
Language: JavaScript
Size: 350 KB
Stars: 0
Watchers: 0
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: ReadMe.md
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README

          ### Краткий справочник по JS.

- [**Переменные в JS:**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_1_var/ReadMe.md)

  - [Переменные и аргументы в JavaScript. ](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_1_var/DOC/VariablesArguments.md)

  - [Как в JS определяют тип переменой?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_1_var/DOC/JSCheckVariableType.md)

  - [**Примеры.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_1_var/Examples)

- [**Объекты в JS:**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_2_object)

  - [Объекты в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/JavaScriptObjects.md)

  - [Методы объектов в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/JSObjectsWithMethods.md)

    - [Метод Object.entries()](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/MethodObjectEntries.md)

    - [Метод Object.keys()](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/MethodObjectKeys.md)

    - [Метод Object.values()](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/MethodObjectValues.md)

    - [Optional Chaining (?.)](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/OptionalChainingOperator.md)

  - [Сокращённые имена свойств и методов в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/ShortPropertyAndMethodNamesOnJS.md)

  - [Глубокое копирование объектов в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/DeepCloneObjectsOnJS.md)

  - [Что такое динамически вычисляемое свойство объекта в JavaScript?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/DynamicallyPropertyOfObject.md)

  - [Как перебрать все собственные элементы объекта?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/CheckObjectOwnElementsExample.md)

  - [Варианты перебора свойств объекта в JS.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/JSObjectIterate.md)

  - [Так делать не надо...](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_2_object/DOC/DoNotDoThisObjectPrototypeModification.md)

  - [**Примеры.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_2_object/Examples)

  - [**Задачи.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_2_object/Tasks)

- [**Функции в JS:**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_3_functions)

  - [Что такое функция в JavaScript:](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/0_Function_on_JS.md)

    - [Именованная функция в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/1_Named_function_%20JavaScript.md)

    - [Функциональное выражение.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/2_Assigned_to_variable_JavaScript.md)

    - [Анонимная функция в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/3_Anonymous_function_JavaScript.md)

    - [Функция как аргумент другой функции (callbacks).](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/4_Function_argument_another_function_%D0%A1allBack_JavaScript.md)

    - [Callback-функция в JavaScript (чуть подробнее).](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/4_1_CallBackFunctionOnJS.md)

    - [Функция как свойство объекта.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/5_Function_as_property_value_JavaScript.md)

  - [Правила именования функций в JavaScript](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/NamingFunctionRules.md)

  - [Что такое параметры функции по умолчанию в JavaScript?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/DefaultFunctionParametersOnJS.md)

  - [Hoisting - "Всплытие"](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/JavaScriptHoisting.md)

  - [Применение глобальной функции setTimeout.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/Global_function_setTimeout.md)

  - [Лучшие практики для написания функций в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_3_functions/DOC/BestPracticeForJavaScriptFunction.md)

  - [**Примеры.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_3_functions/Examples)

- [**Области видимости в JS:**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_4_visibility_scopes)

  - [Области видимости в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_4_visibility_scopes/DOC/ScopesVisibilityOnJavaScript.md)

  - [Цепочка областей видимости в JavaScript](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_4_visibility_scopes/DOC/ScopeChainInJavaScript.md)

  - [Применение 'use strict'](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_4_visibility_scopes/DOC/UseStrict.md)

  - [**Примеры.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_4_visibility_scopes/Examples) 

- [**Операторы в JS:**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_5_operators/ReadMe.md)

  - [Операторы в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_5_operators/DOC/JavaScriptOperators.md)

  - [Замена части строки в JS.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_5_operators/DOC/JavaScriptStringReplace.md)

  - [Конкатенация строк в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_5_operators/DOC/StringConcat.md)

  - [Чем в JS отличаются == и ===?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_5_operators/DOC/%D0%A1omplianceAndStrictComplianceOnJS.md)

  - [Spread оператор в JS.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_5_operators/DOC/SpreadOperator.md)

  - [**Примеры.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_5_operators/Examples)

- [**Функциональные выражения в JS:**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_6_functional_expressions/ReadMe.md)

  - [Стрелочные функции в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_6_functional_expressions/DOC/ArrowFunctions.md)

  - [CallBack функции в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_6_functional_expressions/DOC/CallBackFunctionInJavaScript.md)

  - [Конструкторы а JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_6_functional_expressions/DOC/ConstructorInJavaScript.md)

  - [Функциональные выражения в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_6_functional_expressions/DOC/FunctionalExpressions.md)

  - [Замыкания в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_6_functional_expressions/DOC/%D0%A1losuresOnJavaScript.md)

  - [Значения параметров функций по умолчанию в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_6_functional_expressions/DOC/DefaultFunctionParameterValues.md)

  - [Как программно остановить уже запущенный JavaScript код?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_6_functional_expressions/DOC/StopJavaScriptCode.md)

  - [Как посмотреть структуру объекта в JavaScript?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_6_functional_expressions/DOC/ViewStructureJavaScriptObject.md)

  - [**Примеры.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_6_functional_expressions/Examples) 

- **Ошибки (исключения) и их обработка в JS:**

  - [Ошибки в JavaScript и их обработка.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_7_errors/DOC/ErrorsInJavaScriptAndHandling.md)

  - [**Примеры.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_7_errors/Examples)

- **Выражения и инструкции в JS:**

  - [Выражение в JavaScript](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_8_expressions_and_instructions_only_doc/DOC/JavaScriptExpression.md)

  - [Инструкция в JavaScript](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_8_expressions_and_instructions_only_doc/DOC/JavaScriptInstructions.md)

  - [Выражение-инструкция в JavaScript](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_8_expressions_and_instructions_only_doc/DOC/JavaScriptExpressionStatement.md)

- [**Массивы в JS:**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/ReadMe.md)

  - [Массивы в JavaScript](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/ArrayOnJavaScript.md)

    - [Основные методы массивов.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/ArrayBasicMethodsOnJS.md)

    - [Функции высшего порядка массивов.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/ArrayHigherOrderFunctionsPrototype.md)

    - [Перебор элементов массива.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/IterateArrayElements.md)

  - Некоторые функции массива: 

    - [Функция forEach в массивах.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/ArrayForEach.md)

    - [Функция массивов .every()](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/JavaScriptArrayFunctionEvery.md)

    - [Функция массива .map()](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/JavaScriptMapArray.md)

    - [Функция массива .reduce()](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/ReduceFunctionOnJS.md)

  - Некоторые методы массива:

    - [Метод массива .sort()](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/ArraySortFunctionOnJS.md)

    - [Метод массива .flat()](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/FlatArraysMethodOnJS.md)

    - [Метод массива .at()](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/JSArraysFunctionAt.md)

    - [Метод массива .fill()](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_9_arrays/DOC/JavaScriptArrayFillMethod.md)

  - [**Примеры.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_9_arrays/Examples)

- [**Функции высшего порядка:**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_10_higher_order_functions/ReadMe.md)

  - [Функции высшего порядка в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_10_higher_order_functions/DOC/HigherOrderFunction.md)

  - [Callback-функции в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_10_higher_order_functions/DOC/CallbackFunction.md)

  - [Стрелочные функции в JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_10_higher_order_functions/DOC/ArrowFunction.md)

  - [**Примеры**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_10_higher_order_functions/Examples)

- **Деструктуризация в JS:**

  - [Функция деструктуризации.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_11_destructuring/DOC/JavaScriptDestructuringFun.md)

  - [Дестуктуризация объектов.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_11_destructuring/DOC/DestructuringObjectOnJavaScript.md)

  - [Деструктуризация массива.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_11_destructuring/DOC/ArrayDestructuringOnJS.md)

  - [Деструктуризация в функциях.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_11_destructuring/DOC/DestructuringInFunction.md)

  - [**Примеры.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_11_destructuring/Examples) 

- [**Условные инструкции в JS:**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_12_conditional_instructions/DOC/JavaScriptConditionalInstructions.md)

  - [**Примеры**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_12_conditional_instructions/Examples)

- **Строки и работа с ними в JS:** 

  - [Строки и их методы:](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_13_string/DOC/StringOnJavaScript.md)

    - [trim, trimStart (trimLeft) и trimEnd (trimRight);](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_13_string/DOC/TrimMethodsFamily.md)

    - [includes, indexOf, startsWith и endsWith;](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_13_string/DOC/IncludesMethodsFamily.md)

    - [slice, substring, substr;](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_13_string/DOC/SliceMethodsFamily.md)

    - [replace, replaceAll;](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_13_string/DOC/ReplaceMethodsFamily.md)

    - [padStart и padEnd;](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_13_string/DOC/PadMethodsFamily.md)

    - [split и join;](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_13_string/DOC/SplitAndJoin.md)

    - [repeat;](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_13_string/DOC/RepeatMethod.md)

  - [**Примеры.** ](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_13_string/Example)

- [**Булева логика в JS:**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_14_boolean_logic/DOC/JavaScriptBooleanLogic.md)

  - [**Примеры.** ](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_14_boolean_logic/Examples)

- **Циклы в JS:**

  - [Виды циклов в JavaScript:](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_15_cycles/DOC/JavaScriptCycles.md)

    - [for](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_15_cycles/DOC/Js_For_Cycle.md)

    - [for...in](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_15_cycles/DOC/Js_For_In_Cycle.md)

    - [for...of](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_15_cycles/DOC/Js_For_of_Cycle.md)

    - [while](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_15_cycles/DOC/Js_While_Cycle.md)

    - [do...while](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_15_cycles/DOC/Js_do_While_Cycle.md)

  - [Применение break и continue в циклах JavaScript.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_15_cycles/DOC/ContinueAndBreakOnCycle.md)

  - [**Примеры** ](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_15_cycles/Examples)

- **Классы и прототипы в JS:**

  - Примитивы как объекты:

    - [Что такое классы?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/JavaScriptClasses.md)

    - [Что такое расширение классов?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/AnotherClassesExtendsOnJavaScript.md)

    - [Что такое прототипы?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/JavaScriptPrototype.md)

    - [Что такое цепочка прототипов?](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/JavaScriptPrototypeChain.md)

    - [Проверка принадлежности свойств экземпляру объекта.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/CheckingPropertiesObjectInstance.md)

    - [Статические методы.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/StaticMethodsOnJavaScript.md)

  - Важно для понимания:

    - [Почему JS в VisualStudio может бросать TypeError: Cannot use 'in' operator to search for 'length' in ...](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/VisualStudioThrowsTypeError.md)

    - [Наследование от Array.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/ImportantToUnderstand/JavaScriptInheritingFromArray.md)

    - [Почему в примере - myCustomArr.hasOwnProperty("sum") возвращает false.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/ImportantToUnderstand/OwnPropertyFalse.md)

    - [Почему в примере - myCustomArr.hasOwnProperty("length") возвращает true.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/ImportantToUnderstand/OwnPropertyTrue.md)

    - [Немного о методе reduce.](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/blob/master/Js_ls_16_classes_and_prototype/DOC/ImportantToUnderstand/ReduceMethod.md)

  - [**Примеры.**](https://github.com/JcoderPaul/JS_LS_GREEN_BOOK/tree/master/Js_ls_16_classes_and_prototype/Examples)

- **"Синхронизации", задержки, ожидания (async/await) в JS:**

- **Модули в JS:**

- **Промисы (promises) в JS:**

- **Еще раз о EOL, this и т.д.**

- **DOM API (Document Object Model)**

- Практические задачи:

  - Strange old games.

  - Tasks and solution.

  - Little project for next step.

  - Пояснения и дополнения:
ecosyste.ms

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