myanimelist_recommendation_accumulator.js

// this script is meant to be pasted into a MyAnimeList Anime page console
// it will accumulate the total number of recommendations for each recommendation
// it will copy this to clipboard to be pasted into another page
// then paste the script again to accumulate that page's recommendations
// and so on...

if (typeof totals === 'undefined') totals = {}
Array.from(document.querySelectorAll('.fs10'))
  .map(i=>i.parentNode)
  .map(e => {
    return {
      title: e.querySelector('.fs10').textContent,
      users: parseInt(e.querySelector('.users').textContent.split(' ')[0], 10)
    }
  })
  .reduce((p,c) => {
    p[c.title] = (p[c.title] || 0) + c.users
    return p
  }, totals)

console.log(totals)
copy('totals = '+JSON.stringify(totals))
Object.keys(totals).map(k => { return { users: totals[k], title: k } }).sort((a,b) => b.users-a.users)