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chrisforrette/gist:808bcce870837d21494e

Created February 12, 2015 00:13
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Modernizr retina detection
Raw
gistfile1.js
Modernizr.addTest('retina', function() {
// starts with default value for modern browsers
var dpr = window.devicePixelRatio ||
// fallback for IE
(window.screen.deviceXDPI / window.screen.logicalXDPI) ||
// default value
1;
return !!(dpr > 1);
});
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