Avoid many calls of $(this)

weblate/media/js/jquery.autogrow-textarea.js

@@ -4,43 +4,43 @@
      * Auto-growing textareas; technique ripped from Facebook
      */
     $.fn.autogrow = function(options) {
-        
+
         this.filter('textarea').each(function() {
-            
+
             var $this       = $(this),
                 minHeight   = $this.height(),
                 lineHeight  = $this.css('lineHeight');
-            
+
             var shadow = $('<div></div>').css({
                 position:   'absolute',
                 top:        -10000,
                 left:       -10000,
-                width:      $(this).width(),
+                width:      $this.width(),
                 fontSize:   $this.css('fontSize'),
                 fontFamily: $this.css('fontFamily'),
                 lineHeight: $this.css('lineHeight'),
                 resize:     'none'
             }).appendTo(document.body);
-            
+
             var update = function() {
-                
+
                 var val = this.value.replace(/</g, '&lt;')
                                     .replace(/>/g, '&gt;')
                                     .replace(/&/g, '&amp;')
                                     .replace(/\n/g, '<br/>');
-                
+
                 shadow.html(val);
-                $(this).css('height', Math.max(shadow.height() + 20, minHeight));
+                $this.css('height', Math.max(shadow.height() + 20, minHeight));
             }
-            
-            $(this).change(update).keyup(update).keydown(update);
-            
+
+            $this.change(update).keyup(update).keydown(update);
+
             update.apply(this);
-            
+
         });
-        
+
         return this;
-        
+
     }
-    
-})(jQuery);
\ No newline at end of file
+
+})(jQuery);