Supports Packages

Detect whether a terminal supports color

Fela plugin to replace named keys

CSS.supports() shim

Fela plugin to resolve responsive array values

Check if your browser has support for date inputs.

PostCSS plugin adding "@supports not" support for IE 11

Detect whether a terminal supports color

PostCSS plugin adding support for the `:ie11` pseudo-class targetting IE 11 only

A list of tests to determine whether a CSS @supports rule is considered a browser hack

Check if generator functions are supported

Detect whether $PAGER supports color

Helper mixins for using Modernizr.js test classes in Stylus

A complex string based CSS managment library

JavaScript module to check if the device is retina or not.

List of platforms supported by Node.js

'A Postcss plugin that fallbacks your CSS variables with native support'

CSS postprocessing: group supports

Detect whether a terminal supports color

Check if a browser supports local storage.

detect javascript environment features