Download all visible photos from a Facebook Page

fb-download-photos.js

// Run in console
var imgs = Array.from(document.querySelectorAll('._53s'))
var ids = imgs.map(img => img.dataset.fbid)
var time = 0;
ids.forEach(function(id){
  setTimeout(function(){
    console.log(id)
    document.location.assign('https://www.facebook.com/photo/download/?fbid=' + id);
  }, time);
  time += 3000;
});