Tests which characters are valid before a protocol relative URL in fetch().
fetch(`/${String.fromCodePoint($[i])}/fuzz.shazzer.co.uk/$[rand]?$[i]`)fetch(`/${String.fromCodePoint(9)}/fuzz.shazzer.co.uk/gg61pbbagv6?9`)fetch(`/${String.fromCodePoint(10)}/fuzz.shazzer.co.uk/grrsszb3i8a?10`)fetch(`/${String.fromCodePoint(13)}/fuzz.shazzer.co.uk/vq664cuyaz?13`)fetch(`/${String.fromCodePoint(47)}/fuzz.shazzer.co.uk/k2ddxhzmww?47`)fetch(`/${String.fromCodePoint(92)}/fuzz.shazzer.co.uk/ytbh4pqakt?92`)fetch(`/${String.fromCodePoint(9)}/fuzz.shazzer.co.uk/odhdt2o9r1e?9`)fetch(`/${String.fromCodePoint(10)}/fuzz.shazzer.co.uk/gdcw48vssrl?10`)fetch(`/${String.fromCodePoint(13)}/fuzz.shazzer.co.uk/zsd2gtukua?13`)fetch(`/${String.fromCodePoint(47)}/fuzz.shazzer.co.uk/qv4lipbt3se?47`)fetch(`/${String.fromCodePoint(92)}/fuzz.shazzer.co.uk/xbge7owh7a?92`)fetch(`/${String.fromCodePoint(9)}/fuzz.shazzer.co.uk/f3kxt9pmey5?9`)fetch(`/${String.fromCodePoint(10)}/fuzz.shazzer.co.uk/xrsy2h4d8w?10`)fetch(`/${String.fromCodePoint(13)}/fuzz.shazzer.co.uk/w907rv2pdps?13`)fetch(`/${String.fromCodePoint(47)}/fuzz.shazzer.co.uk/32leuyn52ni?47`)fetch(`/${String.fromCodePoint(92)}/fuzz.shazzer.co.uk/1x3de6kgxlt?92`)fetch(`/${String.fromCodePoint(9)}/fuzz.shazzer.co.uk/gfekcvpnqll?9`)fetch(`/${String.fromCodePoint(10)}/fuzz.shazzer.co.uk/94y2obc8lws?10`)fetch(`/${String.fromCodePoint(13)}/fuzz.shazzer.co.uk/zlfrgytkx6p?13`)fetch(`/${String.fromCodePoint(47)}/fuzz.shazzer.co.uk/vedgbii3bhs?47`)fetch(`/${String.fromCodePoint(92)}/fuzz.shazzer.co.uk/ajqeaj807yo?92`)