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 418,737 websites that are Device JS Customers. We know of 90,736 live websites using Device JS and an additional 328,001 sites that used Device JS historically and 44,223 websites in the United States.
Get a list of 418,737 websites using Device JS which includes location information, hosting data, contact details, 90,736 currently live websites and an additional 79,026 domains that redirect to sites in this list. 328,001 sites that used this technology previouslyand 44,223 websites in the United States currently using Device JS.
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