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 411,545 websites Device JS Customers. We know of 120,328 live websites using Device JS and an additional 291,217 sites that used Device JS historically and 59,161 websites in the United States.
Get a list of 411,545 websites using Device JS which includes location information, hosting data, contact details, 120,328 currently live websites and an additional 123,376 domains that redirect to sites in this list. 291,217 sites that used this technology previouslyand 59,161 websites in the United States currently using Device JS.
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