View difference between Paste ID: yUEj7ubG and TcgVrnCN

 // ==UserScript==
 // @name         2ch.hk | Сортировка по ответам
 // @version      0.1
 // @match        ://2ch.hk/*/res/*.html
 // @icon         https://2ch.hk/favicon.ico
 // @grant        none
 // ==/UserScript==
 
 (function () {
-    "use strict";
+  "use strict";
 
-    function reply_count($post) {
+  function reply_count($post) {
-        return $post.querySelector(".post__refmap").childElementCount;
+    return $post.querySelector(".post__refmap").childElementCount;
   }
 
   if (document.querySelector("#de-panel-info")) {
-        .querySelector(".thread-nav__inner")
+
-        .insertAdjacentHTML(
+      .querySelector(".de-parea")
       .children[0].insertAdjacentHTML(
         "beforeend",
-    );
+        '[<span><input type="checkbox" id="sort-checkbox"> Сортировать по ответам</span>]'
       );
-    const $thread = document.querySelector(".thread");
+  } else {
-    //$thread.style.display = "flex";
+
-    $thread.style["flex-direction"] = "column";
+      .querySelector(".thread-nav__inner")
-    $thread.children[0].style.order = -1000; // fix op-post
+      .insertAdjacentHTML(
         "beforeend",
-    document.querySelector("#sort-checkbox").addEventListener("change", (el) => {
+
-        if (el.target.checked) {
+      );
-            $thread.style.display = "flex";
+  }
-            const posts = document.querySelectorAll(".thread__post");
+
-            posts.forEach(($post) => {
+  const $thread = document.querySelector(".thread");
-                $post.style.order = -reply_count($post);
+  //$thread.style.display = "flex";
-            });
+  $thread.style["flex-direction"] = "column";
-        } else {
+  $thread.children[0].style.order = -1000; // fix op-post
-            $thread.style.display = "block";
+
-        }
+  document.querySelector("#sort-checkbox").addEventListener("change", (el) => {
-    });
+    if (el.target.checked) {
-})();
+      $thread.style.display = "flex";
-
+      const posts = document.querySelectorAll(".thread__post");
       posts.forEach(($post) => {
         $post.style.order = -reply_count($post);
       });
     } else {
       $thread.style.display = "block";
     }
   });
 })();