Remove reply button is now working.

4chan_x.user.js

@@ -1333,6 +1333,10 @@
         $.on(this.el, 'click', function() {
           return _this.select();
         });
+        $.on($('.remove', this.el), 'click', function(e) {
+          e.stopPropagation();
+          return _this.rm();
+        });
         if (file) this.setFile(file);
         $.before($('#addReply', qr.el), this.el);
         qr.replies.push(this);
@@ -1367,9 +1371,18 @@
       };
 
       _Class.prototype.rm = function() {
-        var url;
+        var index, url;
+        $.rm(this.el);
+        index = qr.replies.indexOf(this);
+        if (qr.replies.length === 1) {
+          new qr.reply().select();
+        } else if (this.el.id === 'selected') {
+          (qr.replies[index - 1] || qr.replies[index + 1]).select();
+        }
+        qr.replies.splice(index, 1);
         url = window.URL || window.webkitURL;
-        return url.revokeObjectURL(this.url);
+        url.revokeObjectURL(this.url);
+        return delete this;
       };
 
       return _Class;

script.coffee

@@ -1000,6 +1000,9 @@ qr =
         href: 'javascript:;'
         innerHTML: '<a class=remove title=Remove>x</a><label hidden><input type=checkbox></label><span></span>'
       $.on @el, 'click', => @select()
+      $.on $('.remove', @el), 'click', (e) =>
+        e.stopPropagation()
+        @rm()
       @setFile file if file
       $.before $('#addReply', qr.el), @el
       qr.replies.push @
@@ -1019,9 +1022,16 @@ qr =
       for data in ['name', 'email', 'sub', 'com']
         $("[name=#{data}]", qr.el).value = @[data]
     rm: ->
-      # rm reply from qr.replies and the UI
+      $.rm @el
+      index = qr.replies.indexOf @
+      if qr.replies.length is 1
+        new qr.reply().select()
+      else if @el.id is 'selected'
+        (qr.replies[index-1] or qr.replies[index+1]).select()
+      qr.replies.splice index, 1
       url = window.URL or window.webkitURL
       url.revokeObjectURL @url
+      delete @
 
 
   dialog: ->