facebook/react — pull request #1446 by chenglou (2014-04-24 17:44:53+00:00)
Title: DataSet and AriaSet (RFC)

Fixes #1259.

aria-* and data-* should be deprecated soon. Right now it's a warning.
`

` <- gives the same warning
Under the hood ariaSet and dataSet are spread on props as aria-* and data-* (hyphenated), so the logic largely stays the same.
Tested on ie8.

RFC because this touches one of the hottest code paths and I feel bad about it. @petehunt @kmeht