JavaScriptEngineSwitcher.Core 3.19.0

The ID prefix of this package has been reserved for one of the owners of this package by Prefix Reserved
.NET Standard 1.3 .NET Framework 4.0
dotnet add package JavaScriptEngineSwitcher.Core --version 3.19.0
NuGet\Install-Package JavaScriptEngineSwitcher.Core -Version 3.19.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="JavaScriptEngineSwitcher.Core" Version="3.19.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add JavaScriptEngineSwitcher.Core --version 3.19.0
#r "nuget: JavaScriptEngineSwitcher.Core, 3.19.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install JavaScriptEngineSwitcher.Core as a Cake Addin
#addin nuget:?package=JavaScriptEngineSwitcher.Core&version=3.19.0

// Install JavaScriptEngineSwitcher.Core as a Cake Tool
#tool nuget:?package=JavaScriptEngineSwitcher.Core&version=3.19.0

JavaScript Engine Switcher determines unified interface for access to the basic features of popular JavaScript engines (MSIE JavaScript Engine for .NET, Microsoft ClearScript.V8, Jurassic, Jint, ChakraCore, VroomJs and NiL.JS). This library allows you to quickly and easily switch to using of another JavaScript engine.

Product Versions
.NET net5.0 net5.0-windows net6.0 net6.0-android net6.0-ios net6.0-maccatalyst net6.0-macos net6.0-tvos net6.0-windows net7.0 net7.0-android net7.0-ios net7.0-maccatalyst net7.0-macos net7.0-tvos net7.0-windows
.NET Core netcoreapp1.0 netcoreapp1.1 netcoreapp2.0 netcoreapp2.1 netcoreapp2.2 netcoreapp3.0 netcoreapp3.1
.NET Standard netstandard1.3 netstandard1.4 netstandard1.5 netstandard1.6 netstandard2.0 netstandard2.1
.NET Framework net40-client net45 net451 net452 net46 net461 net462 net463 net47 net471 net472 net48 net481
MonoAndroid monoandroid
MonoMac monomac
MonoTouch monotouch
Tizen tizen30 tizen40 tizen60
Universal Windows Platform uap uap10.0
Xamarin.iOS xamarinios
Xamarin.Mac xamarinmac
Xamarin.TVOS xamarintvos
Xamarin.WatchOS xamarinwatchos
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (45)

Showing the top 5 NuGet packages that depend on JavaScriptEngineSwitcher.Core:

Package Downloads
JavaScriptEngineSwitcher.V8 The ID prefix of this package has been reserved for one of the owners of this package by

JavaScriptEngineSwitcher.V8 contains adapter `V8JsEngine` (wrapper for the Microsoft ClearScript.V8 ( version 7.3.7). This package does not contain the native ClearScript.V8 assemblies. Therefore, you need to choose and install the most appropriate package(s) for your platform. The following packages are available: * * * * Microsoft.ClearScript.V8.Native.linux-x64 * Microsoft.ClearScript.V8.Native.linux-arm * Microsoft.ClearScript.V8.Native.linux-arm64 * Microsoft.ClearScript.V8.Native.osx-x64 * Microsoft.ClearScript.V8.Native.osx-arm64


JSPool facilitates easy integration of JavaScript scripting into a .NET application in a scalable and performant manner. It does so by creating a pool of engines that can be reused multiple times, making it easy to use JavaScript libraries that have long initialisation times without having to create a new engine every time. See for usage instructions.

JavaScriptEngineSwitcher.Msie The ID prefix of this package has been reserved for one of the owners of this package by

JavaScriptEngineSwitcher.Msie contains adapter `MsieJsEngine` (wrapper for the MSIE JavaScript Engine for .NET ( For correct working of the MSIE JavaScript Engine it is recommended to install Internet Explorer 9+ or Microsoft Edge Legacy on the machine.


ReactJS and Babel tools for .NET. Important: This package does not do much on its own; you probably want an integration package (like React.Web.Mvc4) as well. Please refer to project site ( for more details, usage examples and sample code.

JavaScriptEngineSwitcher.ChakraCore The ID prefix of this package has been reserved for one of the owners of this package by

JavaScriptEngineSwitcher.ChakraCore contains adapter `ChakraCoreJsEngine` (wrapper for the ChakraCore ( Project was based on the code of Chakra-Samples ( and jsrt-dotnet ( This package does not contain the native implementations of ChakraCore. Therefore, you need to choose and install the most appropriate package(s) for your platform. The following packages are available: * * * * * JavaScriptEngineSwitcher.ChakraCore.Native.linux-x64 * JavaScriptEngineSwitcher.ChakraCore.Native.osx-x64

GitHub repositories (8)

Showing the top 5 popular GitHub repositories that depend on JavaScriptEngineSwitcher.Core:

Repository Stars
Stride Game Engine (formerly Xenko)
Open Source ASP.NET MVC Enterprise eCommerce Shopping Cart Solution
.NET library for JSX compilation and server-side rendering of React components
The Web Markup Minifier (abbreviated WebMarkupMin) - a .NET library that contains a set of markup minifiers. The objective of this project is to improve the performance of web applications by reducing the size of HTML, XHTML and XML code.
A flexible and extensible static content generation framework for .NET.
Version Downloads Last updated
3.19.0 118,470 7/21/2022
3.3.0 1,615,792 12/27/2019
3.1.0 1,101,993 5/3/2019
3.0.0 738,543 12/25/2018
3.0.0-rc2 2,097 12/4/2018
3.0.0-rc1 56,334 9/19/2018
3.0.0-beta9 1,013 8/23/2018
3.0.0-beta4 53,818 5/29/2018
3.0.0-beta3 1,356 5/22/2018
3.0.0-beta1 1,996 4/8/2018
3.0.0-alpha9 4,122 12/22/2017
3.0.0-alpha6 2,094 10/17/2017
3.0.0-alpha2 2,525 7/26/2017
3.0.0-alpha1 1,276 7/12/2017
2.4.10 609,811 7/4/2017
2.4.9 617,562 6/28/2017
2.4.0 131,832 4/26/2017
2.2.0 382,566 12/20/2016
2.1.2 48,851 11/8/2016
2.0.3 24,256 10/17/2016
2.0.0 183,643 9/19/2016
2.0.0-beta1 2,736 9/17/2016
2.0.0-alpha1 2,927 8/23/2016
1.5.0 483,088 3/4/2016
1.5.0-beta1 2,575 2/26/2016
1.5.0-alpha1 2,975 1/5/2016
1.2.4 562,758 2/19/2015
1.2.0 194,669 10/13/2014
1.1.3 328,347 3/22/2014
1.1.0 69,893 1/16/2014
1.0.0 8,488 12/30/2013
0.9.5 10,116 12/7/2013
0.9.2 76,865 9/5/2013

Fixed a error #102 “Resources should conform to correct ICU standard for naming”. Special thanks to Tim Heuer.