WinJS: the Windows Library for JavaScript
Try WinJS
Try WinJS in our online editor
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Latest news
Bringing WinJS cross-platform
Today the Windows Library for JavaScript (WinJS) is taking its first step to becoming cross-platform: it is released under the Apache 2.0 license as an Open Source project by Microsoft Open Technologies.
WinJS on Windows Phone
With the upcoming release of Windows Phone (codenamed "Blue"), we are proud to announce that the Windows Library for JavaScript (WinJS) will now be available on Windows Phone.
Advantages of WinJS
Use WinJS to build first class apps with HTML, CSS, and JavaScript. WinJS provides high quality infrastructure like page controls, promises, and data-binding; polished UI features like virtualizing collections; and high performance Windows controls such as ListView, FlipView, and Semantic Zoom. This is a comprehensive toolkit for you to use with confidence in its performance and polish, whether as a standalone solution or with other frameworks and libraries.
WinJS in production code
Getting started
View the source code
Take a look at the code on GitHub.
WinJS reference documentation
Look up individual APIs that you can use in your Windows web app.
SDK samples
Download the SDKs and use them to build web apps in Visual Studio.
Windows blogs
Check out the Windows blogs and search for WinJS.
Get started with WinJS
Learn how to build cool features in your Windows web app with these Quickstart and How To tutorials.
Join the discussion
Follow #winjs on StackOverflow to learn about new features and discuss WinJS with other developers.
Check out the Microsoft Virtual Academy
Take the free online courses available at the Microsoft Virtual Academy.
Free ebook: Programming Windows 8 Apps with HTML, CSS, and JavaScript
Check out our most popular ebook on building web apps for Windows 8.