JS Tutorial

JS HOME JS Introduction JS Where To JS Output JS Statements JS Syntax JS Comments JS Variables JS Let JS Const JS Operators JS Arithmetic JS Assignment JS Data Types JS Functions JS Objects JS Events JS Strings JS String Methods JS String Search JS String Templates JS Numbers JS Number Methods JS Arrays JS Array Methods JS Array Sort JS Array Iteration JS Array Const JS Dates JS Date Formats JS Date Get Methods JS Date Set Methods JS Math JS Random JS Booleans JS Comparisons JS If Else JS Switch JS Loop For JS Loop For In JS Loop For Of JS Loop While JS Break JS Iterables JS Sets JS Maps JS Typeof JS Type Conversion JS Bitwise JS RegExp JS Errors JS Scope JS Hoisting JS Strict Mode JS this Keyword JS Arrow Function JS Classes JS Modules JS JSON JS Debugging JS Style Guide JS Best Practices JS Mistakes JS Performance JS Reserved Words

JS Versions

JS Versions JS 2009 (ES5) JS 2015 (ES6) JS 2016 JS 2017 JS 2018 JS 2019 JS 2020 JS 2021/2022 JS IE / Edge JS History

JS Objects

Object Definitions Object Properties Object Methods Object Display Object Accessors Object Constructors Object Prototypes Object Iterables Object Sets Object Maps Object Reference

JS Functions

Function Definitions Function Parameters Function Invocation Function Call Function Apply Function Bind Function Closures

JS Classes

Class Intro Class Inheritance Class Static

JS Async

JS Callbacks JS Asynchronous JS Promises JS Async/Await


DOM Intro DOM Methods DOM Document DOM Elements DOM HTML DOM Forms DOM CSS DOM Animations DOM Events DOM Event Listener DOM Navigation DOM Nodes DOM Collections DOM Node Lists

JS Browser BOM

JS Window JS Screen JS Location JS History JS Navigator JS Popup Alert JS Timing JS Cookies


Web API Intro Web Forms API Web History API Web Storage API Web Worker API Web Fetch API Web Geolocation API


AJAX Intro AJAX XMLHttp AJAX Request AJAX Response AJAX XML File AJAX PHP AJAX ASP AJAX Database AJAX Applications AJAX Examples



JS vs 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 Bootcamp JS Certificate

JS References

JavaScript Objects HTML DOM Objects

JavaScript. W3Schools in English. Lessons for beginners


Internet Explorer Retirement

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

Internet Explorer Retirement Dates:

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

Source ...

Earlier Announcements

Windows 11 Removes Internet Explorer

Reported 24-06-2021:

Internet Explorer is disabled in Windows 11

Source: Windows 11 specifications

Windows 10 Replaces Internet Explorer

Reported 15-06-2020:

Internet Explorer is "replaced" by Edge in Windows 10

Source ...

Internet Explorer Retires

Reported 15-06-2020:

IE 11 goes out of support on June 15 2022

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:

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

SystemDefault Browser
Windows Embedded Compact 7Internet Explorer 7
Windows Embedded Compact 2013Internet Explorer 7
Windows 7Internet Explorer 11
Windows 8.XInternet Explorer 11
Windows 10Internet Explorer 11
Windows Server 2012Internet Explorer 11
Windows Server 2012 R2Internet Explorer 11
Windows Server 2016Internet Explorer 11
Windows Embedded Standard 7Internet Explorer 11
Windows Embedded POSReady 7Internet Explorer 11
Windows Thin PCInternet Explorer 11
Windows Embedded 8 StandardsInternet Explorer 11
Windows 8.1 Industry UpdateInternet 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.

Government Recommendations

Furthermore, some governments recommend continuing to support IE11: //// designing-for-different-browsers-and-devices