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Basic JavaScript

JS Tutorial
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JS Numbers
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JS Functions
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JS Objects
Object Study Path Object Intro Object Properties Object Methods Object this Object Display Object Constructors
JS Scope
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JS Dates
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JS Temporal Dates
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JS Arrays
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JS Sets
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JS Maps
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JS Iterations
JS Loops JS Iterables JS Iterators JS Generators
JS Math
JS Math JS Math Reference JS Math Random
JS RegExp
JS RegExp JS RegExp Flags JS RegExp Classes JS RegExp Metachars JS RegExp Assertions JS RegExp Quantifiers JS RegExp Patterns JS RegExp Objects JS RegExp Methods
JS Destructuring JS Data Types
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JS Debugging
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JS References
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JS ECMAScript 2026
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JS HTML

JS HTML DOM
HTML DOM HTML DOM API Selecting Elements Changing HTML Changing CSS Form Validation DOM Animations Document Reference Element Reference
JS Events
Intro to Events Mouse Events Keyboard Events Load Events Timing Events Manage Events Event Examples Event Listener
JS Projects
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JS Advanced

JS Functions
Functions Advanced Function Definitions Function Callbacks Function this Function Call Function Apply Function Bind Function IIFE Function Closures Function Reference Function Quiz
JS Objects
JS Objects Object Definitions Object this Object Iterations Object Get / Set Object Management Object Protection Object Prototypes Object Reference
JS Classes
JS Classes JS Class Inheritance JS Class Static
JS Asynchronous
Async Path Async Intro Async Timeouts Async Callbacks Async Promises Async Await Async Fetch Async Debug Async Reference
JS Modules
Modules Intro Modules Export Modules Import Modules Namespace Modules Dynamic
JS Meta & Proxy
Meta Programming Meta Reflect Meta Proxy Meta Reference
JS Typed Arrays
Typed Arrays Typed Methods Typed Reference Array Buffers DataViews JS Atomics
JS DOM Navigation
DOM Navigation DOM Nodes DOM Collections DOM Node Lists
JS Windows
JS Window JS Screen JS Location JS History JS Navigator JS Popup Alert JS Timing JS Cookies
JS Web APIs
Web APIs Intro Fetch API Geolocation API Web History API Web Pointer API Web Storage API Validation API Web Worker API
JS AJAX
AJAX Intro AJAX XMLHttp AJAX Request AJAX Response AJAX XML File AJAX PHP AJAX ASP AJAX Database AJAX Applications AJAX Examples
JS JSON
JSON Intro JSON Syntax JSON vs XML JSON Data Types JSON Parse JSON Stringify JSON Objects JSON Arrays JSON Server JSON PHP JSON HTML JSON JSONP
JS jQuery
jQuery Selectors jQuery HTML jQuery CSS jQuery DOM
JS Graphics
JS Graphics JS Canvas JS Plotly JS Chart.js JS Google Chart JS D3.js
JS Examples
JS Examples JS HTML DOM JS HTML Input JS HTML Objects JS HTML Events JS Browser JS Editor JS Exercises JS Quiz JS Website JS Syllabus JS Study Plan JS Interview Prep JS Bootcamp JS Certificate
JS Reference


JavaScript Objects - Advanced

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Advanced Learning Path:


Step 1

Object Definitions

Using an Object Literal
Using the new Keyword
Using an Object Constructor
Using Object.assign()
Using Object.create()
Using Object.fromEntries()

Advanced


Step 2

Object this

When used in an object method, this refers to the object.

Advanced


Step 3

Object Iterations

Object.entries(object)
Object.keys(object)
Object.values(object)
Object.groupBy(object, callback)

Advanced


Step 4

Object Get & Set

Getters and setters allow you to define Object Accessors (Computed Properties).

Advanced



Step 5

Object Management

Accessing property descriptors
Adding or changing properties

Advanced


Step 6

Object Protection

Prevents changes to an object
Prevents adding properties
Prevents deleting properties

Advanced


Step 7

Object Prototypes

All JavaScript objects inherit properties and methods from a prototype.

Advanced


Step 8

Object Reference

Object Methods and Properties
Revised July 2025

Advanced


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