The October CodePen Challenge is on! This month, it's Jest Halloween 🎃 Every week you'll get a starter Pen with a Jest test and a Halloween twist https://codepen.io/challenges/2026/october/1 Thanks @PagerDuty for sponsoring! https://srv.buysellads.com/ads/long/x/T6ZY6BZPTTTTTT6GOHECWTTTTTTV7HS42VTTTTTTE33CLBETTTTTT2ZCVRD66W3YGHIDCBIPPHKHPA7WCRHC554FCQEE?cid=388275