unfollow zhihu question

unfollow_qs.js

// go to page below and run code
// https://www.zhihu.com/question/following 
function unfollow_all(){
    var remaining = $(".zg-unfollow").length;
    if (remaining > 0) {
        $(".zg-unfollow").first().trigger('click');
        window.scrollBy(0,100);
		setTimeout(unfollow_all, Math.random(0, 1).toFixed(2)*1000 + 500);
    }
}
unfollow_all();