CSS3 media query test: resolution query with dppx. Using style element, @media css rule. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS matchMedia('(resolution: 0dpi)').matches is false PASS matchMedia('(min-resolution: 0dpi)').matches is true PASS matchMedia('(max-resolution: 0dpi)').matches is false PASS matchMedia('(resolution: 1.5dppx)').matches is true PASS resolutionFromStyle() is 1.5 PASS matchMedia('(resolution: 2dppx)').matches is true PASS resolutionFromStyle() is 2 PASS matchMedia('(resolution: 1dppx)').matches is true PASS resolutionFromStyle() is 1 PASS matchMedia('(resolution: 2.25dppx)').matches is true PASS resolutionFromStyle() is 2.25 PASS matchMedia('(resolution)').matches is true PASS matchMedia('(resolution: 216dpi)').matches is true PASS matchMedia('(min-resolution: 216dpi)').matches is true PASS matchMedia('(max-resolution: 216dpi)').matches is true PASS matchMedia('(resolution: 85dpcm)').matches is true PASS matchMedia('(min-resolution: 85dpcm)').matches is true PASS matchMedia('(max-resolution: 85dpcm)').matches is true PASS matchMedia('(min-resolution: 300dpi)').matches is true PASS matchMedia('(min-resolution: 118dpcm)').matches is true PASS resolutionFromStyle() is 3 PASS resolutionFromStyle() is 3.125 PASS successfullyParsed is true TEST COMPLETE