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 421,707 websites that are Device JS Customers. We know of 84,102 live websites using Device JS and an additional 337,605 sites that used Device JS historically and 41,043 websites in the United States.
Get a list of 421,707 websites using Device JS which includes location information, hosting data, contact details, 84,102 currently live websites and an additional 71,579 domains that redirect to sites in this list. 337,605 sites that used this technology previouslyand 41,043 websites in the United States currently using Device JS.
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