Experiment with Windows 10 native runtime features, like popping a LiveTile notification or System Prompt, turning on the device camera, accessing the device calendar or contacts list, and more.

By integrating CodePen, Windows developers can use the pre-made feature code samples, or add your own JavaScript code with. Thanks to CodePen, you can edit code right in the app and interact directly with Windows 10 features immediately at the click of a button.