Smarttoon Button

smarttoon_button.user.js

// ==UserScript==
// @name        Smarttoon Button
// @namespace   sn-smarttoon-button
// @include     http://comic.naver.com/webtoon/detail.nhn?*
// @include     http://comic.naver.com/webtoon/list.nhn?*
// @version     1.1
// @grant       none
// ==/UserScript==

document.addEventListener("DOMContentLoaded", () => {
  let smartButton = document.querySelector(".ico_smart");
  if (!smartButton)
    return;
  let detailTitle = document.querySelector(".detail h2");
  let anchor = document.createElement("a");
  anchor.href = location.href.replace("comic.naver.com", "m.comic.naver.com");
  anchor.target = "_blank";
  anchor.classList.add = "ico_smart";
  detailTitle.insertBefore(anchor, smartButton);
  detailTitle.removeChild(smartButton);
  anchor.appendChild(smartButton);
})