Device.js makes it easy to write conditional CSS _and/or_ JavaScript based on device operating system
http://matthewhudson.me/projects/device.js/
JavaScript Libraries and Functions · Compatibility
Get access to data on 423,402 websites that are Device JS Customers. We know of 86,511 live websites using Device JS and an additional 336,891 sites that used Device JS historically and 42,782 websites in the United States.
Get a list of 423,402 websites using Device JS which includes location information, hosting data, contact details, 86,511 currently live websites and an additional 74,671 domains that redirect to sites in this list. 336,891 sites that used this technology previouslyand 42,782 websites in the United States currently using Device JS.
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