// ==UserScript==
// @name        Inline images on a Niconico News article page
// @namespace   https://akinori.org
// @description Converts image links on a Niconico News article page to inline images.
// @author      Akinori MUSHA
// @license     2-clause BSDL
// @include     http://news.nicovideo.jp/watch/*
// @version     1.0.0
// @grant       none
// ==/UserScript==
(function () {
let links = document.querySelectorAll('#MainBody p a[href$=".jpg"]');
for (let i = 0; i < links.length; i++) {
let link = links[i];
if (link.href == link.textContent) {
link.textContent = '';
let img = document.createElement('img');
img.setAttribute('src', link.href);
link.appendChild(img);
}
}
})();