Michelle Barker • 9/13/2022

Detecting CSS Selector Support

This technical article details the use of CSS @supports for feature detection, covering property/value checks, the 'not', 'and', and 'or' operators, and fallback strategies. It also explains the newer selector() function to detect support for advanced pseudo-classes like :focus-visible and :has(), providing practical code examples for writing robust, progressive CSS.

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#css #progressive enhancement #feature detection