Microsoft JavaScript UI library WinJS version 4.0 is now available

Microsoft's WinJS library, which brings Windows "Universal" like application UIs to web and JavaScript applications, has just recently been updated to version 4.0.

As a JavaScript library, it's supported by all major browsers, including the soon-here "Edge", formely called Project Spartan. There are also wrappers available for AngularJS, KnockoutJS, and ReactJS, all of which are popular UI libraries.

For more information, check out the WinJS web site.