A script to remove twitter followers from the browser's javascript console

remove_follower.js

var sleep_time = 1000; // 1 second
var follower = 'follower-screen-name';
var b_follower = document.querySelector('div[data-screen-name="' + follower + '"] button.unfollow-text');

try {
  b_follower.click();
  sleep(sleep_time);
} catch(err) {
  console.log(follower);
}