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  • 9.1 JS Versions
  • 9.2 JS 2009 (ES5)
  • 9.3 JS 2015 (ES6)
  • 9.4 JS 2016
  • 9.5 JS 2017
  • 9.6 JS 2018
  • 9.7 JS 2019
  • 9.8 JS 2020
  • 9.9 JS 2021/2022
  • 9.10 JS IE / Edge
  • 9.11 JS Versions History
    •
  • 1.1 JS Introduction
  • 1.2 JS Where To Install
  • 1.3 JS Output
  • 1.4 JS Statements
  • 1.5 JS Syntax
  • 1.6 JS Comments
    •
  • 2.1 JS Variables
  • 2.2 JS Let
  • 2.3 JS Const
  • 2.4 JS Operators
  • 2.5 JS Arithmetic
  • 2.6 JS Assignment
    •
  • 3.1 JS Data Types
  • 3.2 JS Functions
  • 3.3 JS Objects
  • 3.4 JS Events
    •
  • 4.1 JS Strings
  • 4.1.1 JS String Methods
  • 4.1.2 JS String Search
  • 4.1.3 JS String Templates
  • 4.2 JS Numbers
  • 4.2.1 JS BigInt
  • 4.2.2 JS Number Methods
  • 4.2.3 JS Number Properties
  • 4.3 JS Arrays
  • 4.3.1 JS Array Methods
  • 4.3.2 JS Array Sort
  • 4.3.3 JS Array Iteration
  • 4.3.4 JS Array Const
    •
  • 5.1 JS Dates
  • 5.1.1 JS Date Formats
  • 5.1.2 JS Get Date Methods
  • 5.1.3 JS Set Date Methods
  • 5.2 JS Math
  • 5.3 JS Random
    •
  • 6.1 JS Booleans
  • 6.2 JS Comparisons
  • 6.3 JS Conditions
  • 6.4 JS Switch
  • 6.5 JS For Loops
  • 6.6 JS While Loops
  • 6.7 JS Break Loops
    •
  • 7.1 JS Sets
  • 7.2 JS Maps
  • 7.3 JS Typeof
  • 7.4 JS Type Conversion
  • 7.5 JS Bitwise
  • 7.6 JS RegExp
  • 7.7 JS Precedence
  • 7.8 JS Errors
  • 7.9 JS Scope
  • 7.10 JS Hoisting
  • 7.11 JS Strict Mode
  • 7.12 JS this Keyword
  • 7.13 JS Arrow Function
    •
  • 8.1 JS Classes
  • 8.2 JS Modules
  • 8.3 JS JSON
  • 8.4 JS Debugging
  • 8.5 JS Style Guide
  • 8.6 JS Best Practices
  • 8.7 JS Mistakes
  • 8.8 JS Performance
  • 8.9 JS Reserved Words
    •
  • 9.1 JS Versions
  • 9.2 JS 2009 (ES5)
  • 9.3 JS 2015 (ES6)
  • 9.4 JS 2016
  • 9.5 JS 2017
  • 9.6 JS 2018
  • 9.7 JS 2019
  • 9.8 JS 2020
  • 9.9 JS 2021/2022
  • 9.10 JS IE / Edge
  • 9.11 JS Versions History
    •
  • 10.1 JS Object Definitions
  • 10.2 JS Object Properties
  • 10.3 JS Object Methods
  • 10.4 JS Object Display
  • 10.5 JS Object Accessors
  • 10.6 JS Object Constructors
  • 10.7 JS Object Prototypes
  • 10.8 JS Object Iterables
  • 10.9 JS Object Sets
  • 10.10 JS Object Maps
  • 10.11 JS Object Reference
    •
  • 11.1 JS Function Definitions
  • 11.2 JS Function Parameters
  • 11.3 JS Function Invocation
  • 11.4 JS Function Call
  • 11.5 JS Function Apply
  • 11.6 JS Function Bind
  • 11.7 JS Function Closures
    •
  • 12.1 JS Class Intro
  • 12.2 JS Class Inheritance
  • 12.3 JS Class Static
    •
  • 13.1 JS Callbacks
  • 13.2 JS Asynchronous
  • 13.3 JS Promises
  • 13.4 JS Async/Await
    •
  • 14.1 DOM Intro
  • 14.2 DOM Methods
  • 14.3 DOM Document
  • 14.4 DOM Elements
  • 14.5 DOM HTML
  • 14.6 DOM Forms
  • 14.7 DOM CSS
  • 14.8 DOM Animations
  • 14.9 DOM Events
  • 14.10 DOM Event Listener
  • 14.11 DOM Navigation
  • 14.12 DOM Nodes
  • 14.13 DOM Collections
  • 14.14 DOM Node Lists
    •
  • 15.1 JS Window
  • 15.2 JS Screen
  • 15.3 JS Location
  • 15.4 JS History
  • 15.5 JS Navigator
  • 15.6 JS Popup Alert
  • 15.7 JS Timing
  • 15.8 JS Cookies
    •
  • 16.1 Web API Intro
  • 16.2 Web Forms API
  • 16.3 Web History API
  • 16.4 Web Storage API
  • 16.5 Web Worker API
  • 16.6 Web Fetch API
  • 16.7 Web Geolocation API
    •
  • 17.1 AJAX Intro
  • 17.2 AJAX XMLHttp
  • 17.3 AJAX Request
  • 17.4 AJAX Response
  • 17.5 AJAX XML File
  • 17.6 AJAX PHP
  • 17-6AJAXPHP.php
  • 17.8 AJAX Database
  • 17.9 AJAX Applications
    •
  • 18.1 JSON Intro
  • 18.2 JSON Syntax
  • 18.3 JSON vs XML
  • 18.4 JSON Data Types
  • 18.5 JSON Parse
  • 18.6 JSON Stringify
  • 18.7 JSON Objects
  • 18.8 JSON Arrays
  • 18.9 JSON Server
  • 18.10 JSON PHP
  • 18.11 JSON HTML
  • 18.12 JSON JSONP
    •
  • 19.1 jQuery Selectors
  • 19.2 jQuery HTML
  • 19.3 jQuery CSS
  • 19.4 jQuery DOM
    •

    • 9.10 JS IE / Edge

    Microsoft ended all support for Internet Explorer June 15, 2022.

    Internet Explorer Retirement Dates:

    Internet Explorer retirement
    17-08-2020 This announcement
    30-11-2020 MS Teams ended support for IE 11
    31-12-2020 Azure DevOps Services ended support for IE 11
    31-03-2021 Azure Portal ended support for IE 11
    17-08-2021 Microsoft ended support for IE 11 across web services:
    Office 365 - OneDrive Outlook
    15-06-2022 Microsoft ends all support for IE 11

    Source

    Earlier Announcements

    Windows 11 Removes Internet Explorer

    Windows 10 Replaces Internet Explorer

    • Reported 15-06-2020:
    • Internet Explorer is "replaced" by Edge in Windows 10
    • Source ...

    Microsoft Edge Legacy

    • Edge was the default browser for Windows 10.
    • It was built with Microsoft's browser engine EdgeHTML and their Chakra JavaScript engine.
    • The first versions of Edge (12-18), are now referred to as "Edge Legacy".
    • The Microsoft support for Edge Legacy ended on March 9, 2021.
    • Future Windows updates will replace Edge Legacy with The New Edge.

    Retirement dates published August 17, 2020:

    31-12-2020 Azure DevOps Services stops supporting Edge Legacy
    09-03-2021 End of Windows updates for Edge Legacy
    13-04-2021 Future Windows updates will remove Edge Legacy

    Source ...

    The New Edge

    • The new Microsoft Edge is Chromium based with Blink and V8 engines.
    • It was released in January 2020, and is available for Windows 7, 8, and 10.
    • It can also be downloaded for macOS, iOS, and Android.
    • The new Edge follows the Modern Lifecycle Policy (updates on an approx. six-week cycle).

    Google

    Google Add Manager

    As of March 28, 2022, Google Ad Manager no longer supports ad serving for Internet Explorer versions 11 and below.

    Source ...

    Google Search

    As of October 1, 2021, Google Search no longer supports Internet Explorer 11.

    Source ...

    Google Workspace

    As of March 15, 2021, Google Workspace no longer supports Internet Explorer 11.

    Source ...

    Old Operating Systems

    Internet Explorer 11 is still a component in some old Windows operating system and follows the Lifecycle Policy for these products:

    System Default Browser
    Windows 7 Internet Explorer 11
    Windows 8.X Internet Explorer 11
    Windows 10 Internet Explorer 11
    Windows Server 2012 Internet Explorer 11
    Windows Server 2012 R2 Internet Explorer 11
    Windows Server 2016 Internet Explorer 11
    Windows Embedded Standard 7 Internet Explorer 11
    Windows Embedded POSReady 7 Internet Explorer 11
    Windows Thin PC Internet Explorer 11
    Windows Embedded 8 Standard Internet Explorer 11
    Windows 8.1 Industry Update Internet Explorer 11

    Old Applications

    • Some old PCs (like in public libraries) are still using Internet Explorer.
    • Some legacy web applications are using Internet Explorer.
    • Some legacy web applications are using Internet Explorer runtime DLLs.
    • Some AJAX based applications are using Microsoft ActiveX components.
    • In order to ease the migration from Internet Explorer, Microsoft Edge offers Internet Explorer Mode, providing backward compatibility and enabling customers to continue to run legacy web applications.

    JavaScript Fundamentals course home
    Module 9. JS Versions

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    Example files created in this module:
    JS Strings - String.trim() JS Arrays - isArray() JS Array.forEach() JS Array.map() JS Array.filter() JS Array.reduce() JS Array.reduceRight() JS Array.every() JS Array.some() JS Array.indexOf() JS Array.lastIndexOf() JS JSON.stringify() JS Date.now() JS Getters and Setters part 1 JS Getters and Setters part 2 JS Getters and Setters part 3 JS New Object Property Methods part 1 JS New Object Property Methods part 2 JS New Object Property Methods part 3 JS Property Access on Strings part 1 JS Property Access on Strings part 2 JS Strings Over Multiple Lines part 1 JS Strings Over Multiple Lines part 2 JS let JS const JS Arrow Functions part 1 JS Arrow Functions part 2 JS For Of Loop - Looping over an Array JS For Of Loop - Looping over a String JS Classes - Using a Class JS Promise - Using a Promise JS Using JavaScript Symbol() JS Functions Default Parameter Values JS Functions - The Rest Parameter JS Arrays - The find() Method JS Arrays - The findIndex() Method JS Number Object Properties - EPSILON JS Number Object Properties - MIN_SAFE_INTEGER JS Number Object Properties - MAX_SAFE_INTEGER JS Numbers - The isInteger() Method JS Numbers - The isSafeInteger() Method JS Numbers - The isFinite() Method JS Numbers - The isNaN() Method JS Exponentiation Operator JS Exponentiation Operator - Math.pow() JS Exponentiation Assignment (**=) JS Arrays - The includes() Method JS Strings - The padStart() Method JS Strings - The padEnd() Method JS Object Methods - Object.entries() method JS Object Methods - Object.values() method JS Async Functions JS Strings - The trimStart() Method JS Strings - The trimEnd() Method JS Objects - The fromEntries() Method JS Arrays - The flat() Method JS Arrays - The flatMap() Method JS Stable Sort JS JSON - Revised stringify() JS Strings - Separator Symbols JS Functions - The toString() Method JS Numbers - Create a BigInt JS Numbers - BigInt typeof JS Strings - The matchAll() Method part 1 JS Strings - The matchAll() Method part 2 JS Strings - The matchAll() Method part 3 JS Operators - The ?? Operator JS Operators - The ?. Operator JS Strings - The replaceAll() Method part 1 JS Strings - The replaceAll() Method part 2 JS Numbers - Numeric Separator (_) part 1 JS Numbers - Numeric Separator (_) part 2 JS Numbers - Numeric Separator (_) part 3 JS Arrays - Array at() JS Strings - The at() Method