http://biblemeowimkh3utujmhm6oh2oeb3ubjw2lpgeq3lahrfr2l6ev6zgyd.onion/content/bible/miscellaneous-information/javascript/index.html
Javascript is not naturally dangerous, but it can be used in different situations to deanonymize who you are. Again this is why we say keep your darknet activities, and clearnet completely separate. Certain websites can use javascript to see what your real IP address is behind tor.