Let me tell you this “funny” story of me trying to bypass a domain check in a little webapp, and acidentally bypassing a URL parser that is used in (almost) every Google product.
Just ran across this little gem.
new Date('2018-01-01')
<- Sun Dec 31 2017 18:00:00 GMT-0600 (Central Standard Time)
new Date('2018/01/01')
<- Mon Jan 01 2018 00:00:00 GMT-0600 (Central Standard Time)