make $.addStyle return the style

4chan_x.user.js

@@ -310,7 +310,8 @@
       style = document.createElement('style');
       style.type = 'text/css';
       style.textContent = css;
-      return $.append(d.head, style);
+      $.append(d.head, style);
+      return style;
     },
     config: function(name) {
       return $.getValue(name, _config[name]);

script.coffee

@@ -200,6 +200,7 @@ $.extend $,
     style.type = 'text/css'
     style.textContent = css
     $.append d.head, style
+    style
   config: (name) ->
     $.getValue name, _config[name]
   zeroPad: (n) ->