With a full-screen component defined, our app looks like the following: IDG. Out of the box, we get the typical modes of interaction including mouse, keyboard, and touch on devices that support them.

Let’s add face detection to our React map explorer app using the pico.js JavaScript library Credit: Thinkstock Last week we enhanced a map interface with voice commands using annyang.

The app, called Grasshopper, uses mini-games and quizzes to teach its users the popular web design language. Rather than manually typing lines of code, you simply tap on various provided code blocks.