May 2011
Intermediate to advanced
1096 pages
40h 54m
English
Content preview from JavaScript: The Definitive Guide, 6th EditionBecome 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,
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.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.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.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.
Chapter 22. HTML5 APIs
The term HTML5 refers to the latest version of the HTML specification, of course, but it has also come to refer to an entire suite of web application technologies that are being developed and specified as part of or alongside HTML. A more formal term for these technologies is the Open Web Platform. In practice, however, “HTML5” is a convenient shorthand, and this chapter uses it in that way. Some of the new HTML5 APIs are documented elsewhere in this book:
Chapter 15 covers the
getElementsByClassName()andquerySelectorAll()methods and thedatasetattribute of document elements.Chapter 16 covers the
classListproperty of elements.Chapter 18 covers XMLHttpRequest Level 2, cross-origin HTTP requests, and the EventSource API defined by the Server-Sent Events specification.
Chapter 20 documents the Web Storage API and the application cache for offline web apps.
Chapter 21 covers the
<audio>,<video>, and<canvas>elements and SVG graphics.
This chapter covers a number of other HTML5 APIs:
Geolocation covers the Geolocation API, which allows browsers to (with permission) determine the user’s physical location.
History Management covers history management APIs that allow web applications to save and update their state in response to the browser’s Back and Forward buttons without having to reload themselves from the web server.
Cross-Origin Messaging describes a simple API for passing messages between documents with different origins. This API safely works around the same-origin ...
Become 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,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.