livedoor_4koma_expander.user.js

// ==UserScript==
// @name           livedoor 4koma expander
// @namespace      http://d.hatena.ne.jp/murky-satyr
// @description    Expands each comic on http://4koma.livedoor.com
// @include        http://4koma.livedoor.com/y1/member/*
// @include        http://4koma.livedoor.com/creator/profile/*
// ==/UserScript==
const R = (/y1/.test(location)
           ? function(s, i) s.replace(/0(?=\.jpg)/, i)
           : function(s, i) s.replace(/0s(?=\.jpg)/, i));
function ld4kx([table]){
  table && Array.forEach(table.getElementsByTagName('td'), function(td){
    var {src} = td.getElementsByTagName('img')[0] || 0;
    if(src) for(var i = 0, s; ++i <= 4 && (s = R(src, i)) !== src;)
      td.appendChild(new Image).src = s;
  });
}
ld4kx([document.querySelector('.backnumber')]);
setTimeout(function(){ self.AutoPagerize && AutoPagerize.addFilter(ld4kx) });