cancel_weibo_followers.js

const s = document.createElement('script');
s.setAttribute(
    'src',
    'https://lib.sinaapp.com/js/jquery/2.0.3/jquery-2.0.3.min.js'
);
document.head.appendChild(s);

const sall = () => {
    try {
        $('a[action-type="batselect"]')[0].click();
    } catch (error) {
        return;
    }
    const items = $('li[action-type="user_item"]');
    for (let i = 0; i< items.length; i ++) {
        items[i].click();
    }
    $('a[action-type="cancel_follow_all"]')[0].click();
    $('a[action-type="ok"]')[0].click();
}

sall()