Unfortunately no. This repository is a list of weird javascript stuff, the site I remember was a list of exercise and you had to find/input the snippet of code

Unfortunately no. This repository is a list of weird javascript stuff, the site I remember was a list of exercise and you had to find/input the snippet of code in a textarea that was then evaluated. For the record, it's not https://jsisweird.com/ https://jsisweird.com/ as well since here it asks you what the output is.