Articles in the “JavaScript” section by topic

Fundamentals

• Execution Order
• Variables const, let and var
• const
• if...else
• switch
• Cycle
• while
• for
• Expressions and Instructions
• Storage by Reference and by Value
• Function
• Visibility Scopes
• use strict

Advanced Syntax

• Ternary Operator
• Spread Syntax ...
• for...in
• for...of
• Shallow and Deep Copying
• Iterator
• Date

Primitive Data Types

• Number
• String
• Boolean Type
• undefined
• null
• Big Integer
• Symbol
• Type Conversion

Collections

• Object
• Array
• TypedArray
• DataView
• ArrayBuffer
• SharedArrayBuffer
• Atomics
• Function as a Data Type
• Set
• WeakSet
• Map
• WeakMap

Numbers

• Number
• parseInt()
• parseFloat()
• WebGuide Number
• .toString()
• Number.isNaN()
• Number.isFinite()

Strings

• String
• WebGuide String
• Template Strings
• .indexOf()
• .includes()
• .length

Boolean Type

• Boolean Type
• Logical Operators
• Type Conversion

Functions

• Function
• return
• this: execution context of functions
• Visibility Scopes
• Recursion
• Object arguments
• Arrow Functions

Arrays

• Array
• .forEach()
• .map()
• .reduce()
• .reduceRight()
• .fill()
• .keys()
• .values()
• .entries()
• .sort()
• .toSorted()
• .filter()
• .at()
• .find()
• .findLast()
• .findIndex()
• .findLastIndex()
• .flat()
• .flatMap()
• .every()
• .some()
• .reverse()
• .includes()
• .indexOf()
• .lastIndexOf()
• .push()
• .pop()
• .shift()
• .unshift()
• .slice()
• .splice()
• .with()
• .copyWithin()
• .length
• Array.from()
• Array.of()
• .concat()
• .join()
• .toReversed()
• .toSpliced()
• .toString()
• .toLocaleString()
• Array.isArray()

Objects

• Object
• Almost Everything in JavaScript — Object
• Descriptors
• Generators and yield
• .toString()
• .groupBy()
• Intl.DateTimeFormat

Sets (Set)

• Set
• Constructor
• .add()
• .delete()
• .has()
• .forEach()
• .clear()
• .values()
• .keys()
• .entries()
• .size
• .union()
• .difference()
• .intersection()
• .symmetricDifference()
• .isSubsetOf()

Exception Handling

• try...catch
• Error and standard errors

Math

• Object Math
• Math.floor(), Math.round(), Math.ceil() and Math.trunc()
• Math.random()

Browser Environment and API

• Browser Environment, BOM
• DOM
• fetch()
• FormData
• console.log()
• window.history
• window.location
• window.navigator
• Geolocation API
• window.matchMedia
• URLSearchParams
• localStorage
• sessionStorage
• performance
• alert()
• prompt()
• confirm()
• queueMicrotask()
• setTimeout()
• clearTimeout()
• setInterval()
• clearInterval()
• window.print()
• window.open()
• window.close()
• Intersection Observer

Document Object Model (DOM)

• DOM
• Element
• Event Model
• HTMLCollection and NodeList

Document Object (document)

• .addEventListener()
• .removeEventListener()
• .getElementById()
• .getElementsByClassName()
• .getElementsByTagName()
• .querySelector()
• .querySelectorAll()
• .forms
• .cookie
• CSSStyleDeclaration
• document.designMode

Element on the Page (Element)

• Element
• .addEventListener()
• .removeEventListener()
• .removeProperty()
• .getElementsByClassName()
• .getElementsByTagName()
• .querySelector()
• .querySelectorAll()
• .closest()
• .getAttribute()
• .focus()
• .blur()
• .getPropertyValue()
• .setProperty()
• .scrollBy()
• .scrollIntoView()
• .scrollTo()
• .classList
• .dataset
• .style
• .innerHTML
• .outerHTML
• .innerText
• .textContent
• .hidden

Events

• Event Model
• Event Object Event
• change
• reset
• input
• dblclick
• click
• invalid
• submit
• DOMContentLoaded
• load
• unload
• beforeunload
• keydown
• keyup
• mouseout
• mouseover
• .preventDefault()
• scroll
• wheel
• touch

Data Storage in the Browser

• .cookie
• localStorage
• sessionStorage

Memory Management

• WeakRef
• FinalizationRegistry

Asynchronicity

• Asynchronous Programming in JavaScript
• Promise
• .then()
• .catch()
• .finally()
• Promise.all()
• Promise.allSettled()
• Promise.any()
• Promise.race()
• async/await

Data Exchange with API

• fetch()
• async/await

Web Application

• Versions of the Language, Transpilers, Bundlers
• Modules, import/export
• Web Workers

Standard Solutions

• Working with Forms
• Content Loading on Scroll
• Positioning elements using JavaScript
• Debounce with the Example of a Search Form
• Throttle using the example of page change on scroll

Остальные

• Micro and Macro Tasks