In this Hasty Treat, Scott and Wes talk about new CSS selectors :has, :where, and :is. MagicBell - Sponsor MagicBell is the the notification inbox for your product. Add a MagicBell to your product for announcements, billing, workflow, and other notifications. The free plan supports up to 100 Monthly Active Users - use the coupon code SYNTAXFM for 10% off the first 12 months. LogRocket - Sponsor LogRocket lets you replay what users do on your site, helping you reproduce bugs and fix issues faster. It’s an exception tracker, a session re-player and a performance monitor. Get 14 days free at logrocket.com/syntax. Show Notes 00:25 Welcome 01:19 Sponsor: MagicBell 02:31 Sponsor: LogRocket 03:40 Don’t say stupid 05:03 :Has MDN :Has // Finds all p tags that have an anchor tag as a child p:has(a) {} // Can find children of parent as well // Finds the button of a paragraph that contains an a tag p:has(a) button {} // Finds all p tags that don't have an anchor tag as a child p:not(:has(a)) {} // Finds all p tags where a is a direct sibling p:has(> a) {} // would find Hi // would not find hi 06:13 Jargon check 11:01 Some examples 13:25 Nest navigations 13:51 Can I use it? 15:52 Is and Where MDN :where In the past we would write header p:hover, main p:hover, footer p:hover { color: red; cursor: pointer; } :where is essentially a short had for making this easier considering the 2nd half of these selectors is the same. Will make your css dryer :where(header, main, footer) p:hover {} Also super handy in avoiding css blocks being ignored for unsupported features. // Doesn't work div:has(p), div:some_new_selector(p) // Will still work for :has if has is supported :where(div:has(p), div:some_new_selector(p)) When to use :Where Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets