The Modern Web: Multi-Device Web Development with HTML5, CSS3, and JavaScript

From the Author: Top 5 HTML5 Application Programming Interfaces (APIs)

1. Geolocation API

Allows you to ask a website visitor for their current geographical location, which can be vital for certain online services.

2. Streams API

Gives you live access to modern, web-connected devices that have cameras and microphones.

3. Battery API

Shows the status of visitors’ device battery levels, letting you prompt them to save data when levels are low.

4. Network Information API

Monitors the network status of a device. If connection strength is low, you can postpone downloading large files.

5. Web Storage API

Makes your site accessible even when a user's device is offline. You can hold copies of files locally, removing the need for internet connection.