Modernizr/Modernizr — pull request #673 by phistuck (2012-08-29 12:34:25+00:00)
Title: Adds a test for position: (-webkit-)sticky support

WebKit just (latest Chromium nightlies have it) added an experimental support for the newly proposed position: sticky as position: -webkit-sticky.
Proposal and discussion -
http://lists.w3.org/Archives/Public/www-style/2012Jun/0627.html