Few small optimizations.

4chan_x.user.js

@@ -634,7 +634,7 @@
   expandComment = {
     init: function() {
       var a, _i, _len, _ref, _results;
-      _ref = $$('.abbr a');
+      _ref = $$('.abbr > a');
       _results = [];
       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
         a = _ref[_i];
@@ -837,22 +837,18 @@
       return $.set("hiddenReplies/" + g.BOARD + "/", g.hiddenReplies);
     },
     hideHide: function(reply) {
-      var a, div, name, table, trip, _ref;
+      var div, name, table, trip, _ref;
       table = reply.parentNode.parentNode.parentNode;
       if (table.hidden) return;
       table.hidden = true;
       if (conf['Show Stubs']) {
         name = $('.commentpostername', reply).textContent;
         trip = ((_ref = $('.postertrip', reply)) != null ? _ref.textContent : void 0) || '';
-        a = $.el('a', {
-          innerHTML: "<span>[ + ]</span> " + name + " " + trip,
-          href: 'javascript:;'
-        });
-        $.on(a, 'click', replyHiding.cb.show);
         div = $.el('div', {
-          className: 'stub'
+          className: 'stub',
+          innerHTML: "<a href=javascript:;><span>[ + ]</span> " + name + " " + trip + "</a>"
         });
-        $.add(div, a);
+        $.on($('a', div), 'click', replyHiding.cb.show);
         return $.before(table, div);
       }
     },
@@ -2542,7 +2538,7 @@
       html = '<div class=move>Thread Watcher</div>';
       watcher.dialog = ui.dialog('watcher', 'top: 50px; left: 0px;', html);
       $.add(d.body, watcher.dialog);
-      inputs = $$('.op input');
+      inputs = $$('.op > input');
       for (_i = 0, _len = inputs.length; _i < _len; _i++) {
         input = inputs[_i];
         favicon = $.el('img', {
@@ -2586,7 +2582,7 @@
       }
       $.add(watcher.dialog, nodes);
       watchedBoard = watched[g.BOARD] || {};
-      _ref3 = $$('img.favicon');
+      _ref3 = $$('.favicon');
       for (_j = 0, _len2 = _ref3.length; _j < _len2; _j++) {
         favicon = _ref3[_j];
         id = favicon.nextSibling.name;
@@ -2973,7 +2969,7 @@
         op = threading.op($('body > form', body).firstChild);
         html = op.innerHTML;
       } else {
-        _ref = $$('td.reply', body);
+        _ref = $$('.reply', body);
         for (_i = 0, _len = _ref.length; _i < _len; _i++) {
           reply = _ref[_i];
           if (reply.id === id) {
@@ -3073,7 +3069,7 @@
         op = threading.op($('body > form', body).firstChild);
         html = op.innerHTML;
       } else {
-        _ref = $$('td.reply', body);
+        _ref = $$('.reply', body);
         for (_i = 0, _len = _ref.length; _i < _len; _i++) {
           reply = _ref[_i];
           if (reply.id === id) {

script.coffee

@@ -473,7 +473,7 @@ strikethroughQuotes =
 
 expandComment =
   init: ->
-    for a in $$ '.abbr a'
+    for a in $$ '.abbr > a'
       $.on a, 'click', expandComment.expand
   expand: (e) ->
     e.preventDefault()
@@ -630,14 +630,11 @@ replyHiding =
     if conf['Show Stubs']
       name = $('.commentpostername', reply).textContent
       trip = $('.postertrip', reply)?.textContent or ''
-      a = $.el 'a',
-        innerHTML: "<span>[ + ]</span> #{name} #{trip}"
-        href: 'javascript:;'
-      $.on a, 'click', replyHiding.cb.show
 
       div = $.el 'div',
         className: 'stub'
-      $.add div, a
+        innerHTML: "<a href=javascript:;><span>[ + ]</span> #{name} #{trip}</a>"
+      $.on $('a', div), 'click', replyHiding.cb.show
       $.before table, div
 
   show: (table) ->
@@ -2028,7 +2025,7 @@ watcher =
     $.add d.body, watcher.dialog
 
     #add watch buttons
-    inputs = $$ '.op input'
+    inputs = $$ '.op > input'
     for input in inputs
       favicon = $.el 'img',
         className: 'favicon'
@@ -2065,7 +2062,7 @@ watcher =
     $.add watcher.dialog, nodes
 
     watchedBoard = watched[g.BOARD] or {}
-    for favicon in $$ 'img.favicon'
+    for favicon in $$ '.favicon'
       id = favicon.nextSibling.name
       if id of watchedBoard
         favicon.src = Favicon.default
@@ -2352,7 +2349,7 @@ quoteInline =
       op = threading.op $('body > form', body).firstChild
       html = op.innerHTML
     else
-      for reply in $$ 'td.reply', body
+      for reply in $$ '.reply', body
         if reply.id == id
           html = reply.innerHTML
           break
@@ -2424,7 +2421,7 @@ quotePreview =
       op = threading.op $('body > form', body).firstChild
       html = op.innerHTML
     else
-      for reply in $$ 'td.reply', body
+      for reply in $$ '.reply', body
         if reply.id == id
           html = reply.innerHTML
           break