Microsoft is adding JavaScript performance improvements to the Chakra engine behind the Edge web browser, which will be available for all Windows 10 users as part of the upcoming Anniversary Update.

WebUI 2.0 is a new, markup-first architecture designed to simplify the Edge source code structure, minimizing the amount of JavaScript code running during the UI initialization path.

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.

Learn how to enable or disable JavaScript In Edge, Chrome, Firefox and Opera browser on your Windows 11/10 computer. Browsing speed will improve, but you will lose out on functionalities.

Microsoft brings ChakraCore, the main element of the Chakra JavaScript engine used in the Edge browser and Universal Windows Platform, to Linux and OS X.