Modernizr detects supported input types: https://github.com/Modernizr/Modernizr/...

		kemayo on Oct 23, 2017 \| parent \| context \| favorite \| on: Date/Time Inputs Enabled on Firefox Nightly Modernizr detects supported input types: https://github.com/Modernizr/Modernizr/blob/master/feature-d... It's basically just making an <input>, setting its @type and seeing if that sticks, then setting a known-invalid value and seeing if that sticks.