November 2011
Intermediate to advanced
384 pages
13h 23m
English
Content preview from HTML5: Your visual blueprint™ for designing rich web pages and applicationsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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UNDERSTANDING GEOLOCATION AND GPS SERVICES
The Geolocation API, a new feature for HTML5, is managed by an official W3C specification. It allows for a standard way for websites to access location-specific data about the user, provided that the user consents to the request and the hardware support is available. This process uses multiple methods to retrieve the user’s coordinates, via GPS or other geolocation services, and makes the information available over JavaScript.
The website can then choose to process that information in the user’s web browser or send it using an Ajax or form submission callback to the web server for server-side processing.
This is an invaluable tool used by many location-specific websites, such as Google Maps, foursquare, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.