No captcha?

Hello,
I am learning programming and just discovered this website. But I am curious, how does it protect its users from spammers (people who post illegal or annoying things) without a reCaptcha? I thought clicking this blue box is required to prove that you are not a robot, can you please share any javascript that you use for this purpose?
Thank you and have a nice day,
Brian

https://dis.tinychan.net/read/lounge/1619528974#reply_8
(s => {
const pick = data => data [Math.floor (data.length * Math.random ())]
const data = "clit cunt lick lips pant sigh soft trib yuri juicy labia pussy sweet tasty breast gentle nectar nipple thighs tongue lesbian scissor squeeze"
const make = (data, dest) => data.split (' ').reduce ((acc, s) => { if (s.length in acc) { acc [s.length].push (s); } else { acc [s.length] = [s]; } return acc; }, dest)
const yuri = table => s => s.replace (/[a-z]+/ig, match => match.length in table ? pick (table [match.length]) : match)
return yuri (make (data, {})) (s)
}) (document.querySelector ("div#reply_1 > div.body").innerText)

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