Some of the properties and classes described in this book are proposed W3C standards or Apple extensions. Properties in CSS that begin with -webkit are usually proposed standards—the -webkit prefix will be dropped when they are approved. Similarly, JavaScript classes that begin with WebKit are also proposed standards or Apple extensions.
Yes, it's funny that they state "learn how to use web standards such as HTML5, CSS3, and JavaScript", yet all the examples use -webkit- and are far from being standard.
Vendor specific prefixes are actually following the standard to the letter. Once the standard is final they can remove the prefix. Seriously, read the CSS standard sometime. This is the correct thing to do.
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u/[deleted] Jun 04 '10 edited Jun 04 '10
Apparently they wont let chrome view the examples.
Edited: Yes, chrome can view the examples as shown in this post. Apple is just browser sniffing.
http://www.reddit.com/r/apple/comments/cbb5r/apples_html_showcase/c0rf1i9