twitter_unfollow.js

// Note this is against Twitter's Terms of Service, so it's just for fun :)

const btns = Array.from(document.querySelectorAll('[data-testid]'))
const unfollows = btns.filter(btn => btn.textContent == "Following")

for (let i = 0; i <= unfollows.length; i++){
	setTimeout(function () {   
		unfollows[i].click();
		setTimeout(function () {
			const confirm = document.querySelector('[data-testid="confirmationSheetConfirm"]');
			confirm.click()
		}, 1000)
	 }, i*1000)
 }