unfollow.js

var xs = document.querySelectorAll("[data-testid*='unfollow']");
var count = 0;
console.log(xs.length);
for (var i = 0; i < xs.length && count < 9999; i++) {
	xs[i].click();
	var ys = document.querySelectorAll("[data-testid*='confirmationSheetConfirm']");
	ys[0].click();
	count++;
}