don't touch normal form

4chan_x.user.js

@@ -1426,6 +1426,9 @@
     },
     submit: function(e) {
       var id, msg, op;
+      if (this.id !== 'qr_form') {
+        return;
+      }
       if (msg = qr.postInvalid()) {
         if (typeof e.preventDefault === "function") {
           e.preventDefault();
@@ -1447,9 +1450,6 @@
           }
         }
       }
-      if (this.id !== 'qr_form') {
-        return;
-      }
       if (!e) {
         this.submit();
       }

script.coffee

@@ -1176,6 +1176,8 @@ qr =
     $.replace oldFile, newFile
 
   submit: (e) ->
+    return unless @id is 'qr_form'
+
     #XXX `e` won't exist if we're here from `qr.submit.call form`.
     if msg = qr.postInvalid()
       e.preventDefault?()
@@ -1193,8 +1195,6 @@ qr =
         if $('img.favicon', op).src is Favicon.empty
           watcher.watch op, id
 
-    return unless @id is 'qr_form'
-
     if !e then @submit()
     $('#error', qr.el).textContent = ''
     $('#autohide', qr.el).checked = true if conf['Auto Hide QR']