Apps For All: Coding Accessible Web Applications

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Apps For All: Coding Accessible Web Applications

Quick Overview

Accessibility is not just about addressing specific disabilities, but making sure as many people as possible have access to the same information. There’s rarely a good reason to lock people out when openness is a foundational principle of the web.

Written by Heydon Pickering and reviewed by Steve Faulkner.

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Full Product Description

Web accessibility is quite a large topic — far too large to fit into a small book. So, what will this book cover? Though we shall encounter visual design challenges, deal with performance issues, and adopt progressive enhancement — all of which are accessibility concerns — the underlying theme of this book is about making the interactivity of web applications include keyboard and screen reader users.

Starting with defining simple button controls and moving on to create reusable, accessible widgets, this book is about making interactions possible and meaningful for those who suffer from cognitive and motor impairments, as well as users who experience a range of vision impairments. However, the lessons learned from addressing the specific requirements of those using assistive technologies or consuming information in unusual ways can be applied to enrich the web for everyone. We all win.

TABLE OF CONTENTS

Chapter 1: This Is For Everyone
Chapter 2: It’s All About Buttons
Chapter 3: The WAI Forward
Chapter 4: Getting Around
Chapter 5: Peekaboo
Chapter 6: It’s Alive!
Chapter 7: Welcome To The Community
Credits

EXCERPT FROM CHAPTER 2: It’s All About Buttons

“It’s easy to think of using proper semantic HTML as fussy and overparticular; that using the right element for the job is not really that important. Since you can attach JavaScript events to any old element and you can make any old element look like a button with CSS, isn’t which element you use a bit academic?

It can seem that way, but no. You see, web standards are all about agreement. It’s only through agreement that things can be made to work and behave in ways that are predictable for the greatest number of people. By designating certain behaviors to the <button> element, browser vendors can agree on how the element should be rendered and how it should behave. This way, authors like you and I will know which element to code if we want to elicit these behaviors. We work with the browser vendors to make our users’ lives easier. By convention, they know what they’re getting when they encounter a button.”

EXCERPT FROM CHAPTER 5: Peekaboo

“You won’t get far on the web these days without stumbling on some sort of tabbed interface. You know the kind of thing: a line of tabs, like those used in a filing cabinet, with each corresponding to their own pane or panel of content. It’s a popular pattern because it allows users to browse and switch between content, excluding from view anything they’re not interested in.

In fact, tabbed interfaces are so popular, it’s tempting to think of them as done: the JavaScript to show and hide panels is easy to write and easier to steal, which just leaves the visual design to be pondered. […]
Important questions I’m sure, but a good-looking tabbed interface does not a good tabbed interface make — not on its own. Is the underlying structure properly semantic and accessible? The JavaScript shows one panel and hides the others, but is this action really communicated to everyone? Can everyone perform that action in the first place?”

Formats: PDF, EPUB, Kindle (DRM-free)
Pages: 121
Language: English
Released: June 2014
Publisher: Smashing Magazine GmbH
ISBN (PDF): 978-3-94454079-5
ISBN (EPUB): 978-3-94454080-1
ISBN (KINDLE): 978-3-94454081-8

Customer Reviews (3)

Joshue O Connor:

Great #a11y read with good code examples - it's also short with nice humorous touches.

This book is a little gem. There are many useful and well coded examples that cover common accessible design patterns that many more conscious web developers will find downright essential in their day to day work.

Heydon does a great job of helping the reader understand an inclusive design approach and the often rather granular 'step by step' process that accessible web applications need in order to be accessible.

I especially found the section on focus management (which is a complex subject) really useful, with nice short code snippets but that is certainly not the only area that surprised.

Heydon has a warm writing style and nicely walks the line between the need for supporting legacy user agents/AT and the cutting edge. Finally, he also helps to remind us of how exciting implementing accessible and inclusive design in our projects can be - with its many inherent challenges and rewards.

Recommended.

1

Posted on 1/20/15

Marco:

A definite purchase recommendation

Heydon has written a truly awesome book here! He gets right to the stuff that developers love most: Coding. He provides concise context for those not too familiar with accessibility yet, but doesn't scare devs with legal stuff. He concentrates on the positive impact aspects aside those legal reqs and thus makes sure the book is fun to read! The examples are not some abstract form of things one will never encounter anyway. On the contrary: They are examples you can integrate right into the web applications you develop and thereby make sure more potential customers than you can even think of at the moment will enjoy using your work! If you've been looking for a modern up-to-date easy introduction or refreshment to/of accessibility coding skills, this is the book to purchase!

2

Posted on 6/7/14

Hamish:

An absolute must for designers and developers who need to get their heads round WAI ARIA!!!

Having read this book over the last couple of days I am in no doubt as to what all the developers at work are getting for Xmas. Its a fantastic read that sets out the reasons for WAI ARIA in a really easy to read and understand manner. the concepts are well explained and the code snippets are an awesome compliment to the well delivered prose. Its both funny and educational at the same time and I would highly recommend it to any developer who is keen to broaden his skill set. Fantastic job Heydon and I look forward to the sequel :)

3

Posted on 6/6/14

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