I integrated accessibility into each and every chapter, showing how considering the “special needs” of your users can be accomplished with the copy you author, HTML you write, CSS you apply, and JavaScript enhancements you make. (Accessibility is important and everyone needs to be exposed to its considerations, so I am very happy about that decision.)
On Adaptive Web Design’s Second Edition
Aaron Gustafson
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I really like this approach, it integrates accessibility in the process, rather than a checklist when everything is done. Especially since the latter is a sure way to disappoint both users and creators.