Z͌̈́̾a͊̈́l͊̿g̏̉͆o̾̚̚S̝̬ͅc̬r̯̼͇ͅipt̠͖̟̹͓͇ͅ visual fuzzing in JS(portswigger.net)

https://portswigger.net/blog/unearthing-zalgoscript-with-visual-fuzzing