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 422,050 websites that are Device JS Customers. We know of 77,892 live websites using Device JS and an additional 344,158 sites that used Device JS historically and 39,297 websites in the United States.
Get a list of 422,050 websites using Device JS which includes location information, hosting data, contact details, 77,892 currently live websites and an additional 72,241 domains that redirect to sites in this list. 344,158 sites that used this technology previouslyand 39,297 websites in the United States currently using Device JS.
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