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IronJS - A JavaScript implementation for .NET
JavaScript C# F# Other
Latest commit 92e2885 @fholm Merge pull request #103 from ilich/master
Issue #102 Fixed Number.toString method


IronJS Logo

IronJS is an ECMAScript 3.0 implementation built on top of the Dynamic Language Runtime from Microsoft which allows you to embed a javascript runtime into your .NET applications.


IronJS is released under the Apache License Version 2.0.


What you need to use IronJS

  • .NET 3.5 (Src/CLR2.sln)
  • .NET 4.0 (Src/CLR4.sln)
  • Mono 2.10 (Src/

IronJS has experimental support for .NET 2.0 and 3.0 also, compile using the CLR2 solution and set the extra NET2 flag

Getting the source

Make sure you have git installed and then run this command from a terminal window (Linux/Unix) or in a "Git Bash Here" window using msysgit for Windows

  • git clone git:// IronJS


If you're interested in contributing to IronJS, fork it here on github and send me a pull request with your contributions.

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