July 2010
Intermediate to advanced
552 pages
12h 40m
English
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Chapter 14. Creating Interactive and Accessible Effects with JavaScript, CSS, and ARIA
14.0. Introduction
Using JavaScript with HTML and CSS to enable more interactive web pages has been around for over a decade. We’ve used the techniques to provide just-in-time help when people are submitting forms, highlight page sections, cue the users that something important has happened, or respond to mouse hover events.
These venerable techniques are now joined with a new capability: Accessible Rich Internet Applications (ARIA), a set of accessibility attributes that add accessibility to Rich Internet Applications.
This chapter is going to focus on classic interactive JavaScript techniques used across most of the Web, and requiring only basic HTML, CSS, and JavaScript skills. They’ll be freshened for modern times with the use of the ARIA functionality.
Byte for byte, the effects described in this chapter can provide the most impact with the least effort. Best of all, the effects described in this chapter are probably the most cross-browser-friendly techniques in use today. They’re certainly the most user-friendly techniques available.
The examples in this chapter work in all of the book’s target browsers. To test the screen-reader-specific accessibility components, you can install a screen reader that provides a free testing option (such as Windows-Eyes, which allows 30 minutes of testing between reboots), or a free, fully functional screen reader such as NVDA, which unfortunately only works on ...
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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.