This book is a practical guide to solving the everyday problems encountered when building apps for Windows 10 devices, including desktops, laptops, tablets, and phones, using HTML5, CSS3, and JavaScript. Each recipe includes a concise statement of the problem and the approach you should take in order to solve it. A full code solution is also provided, along with an in-depth explanation, so you can build on your development knowledge while you work on your application. The majority of recipes can be used with the Universal Windows app template, designed to help you build one consistent user experience across devices. These are supplemented with recipes for adapting your app to different devices, screen sizes, and sensor availability. You'll also find out how to deploy and publish your apps in the Windows Store. Learn how to make use of the latest Universal Windows app features, alongside customization options.