Microsoft open sources ChakraCore, Windows 10's Edge web browser JavaScript engine. More amazing still, Microsoft will port it to Ubuntu Linux.

Today, it’s taking that one leap further and open sourcing ChakraCore, the JavaScript engine behind the new Edge browser included with Windows 10.

Microsoft says that the JavaScript performance for its new Microsoft Edge web browser is already beating Internet Explorer, Google's Chrome and Mozilla's Firefox in two benchmark tests.

Microsoft has released the JavaScript code for its new Edge browser for Windows 10, and is even planning to port it to Linux.