Clear MyAnimeList

clear_mal.js

let sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
let random = (min, max) => ~~(Math.random() * (max - min) + min);

let form_data = new FormData();
form_data.append('csrf_token', document.querySelector('meta[name=csrf_token]').content);

let elements = Array.from(document.querySelectorAll('.animetitle'));

console.log(`${elements.length} to delete`);

for (let i = 0; i < elements.length; i++) {
  let el = elements[i];
  let [, type, id] = (/\/(manga|anime)\/(\d+)/).exec(el.href);
  let interval = random(2500, 7500);
  
  console.log(`Deleting ${id} (${elements.length - i - 1} remaining), sleeping for ${interval}`);
  
  await fetch(`https://myanimelist.net/ownlist/${type}/${id}/delete`, {
    method: 'POST',
    body: form_data,
  });
  
  await sleep(interval);
}