code: function() {
          var me = this,
              data = (me.$cache || me.getCache()).data,
              style;
  
          if (!data[ISCLIPPED]) {
              data[ISCLIPPED] = true;
              style = me.getStyle([OVERFLOW, OVERFLOWX, OVERFLOWY]);
              data[ORIGINALCLIP] = {
                  o: style[OVERFLOW],
                  x: style[OVERFLOWX],
                  y: style[OVERFLOWY]
              };
              me.setStyle(OVERFLOW, HIDDEN);
              me.setStyle(OVERFLOWX, HIDDEN);
              me.setStyle(OVERFLOWY, HIDDEN);
          }
          return me;
      }
docs: Store the current overflow setting and clip overflow on the element - use {@link #unclip} to remove
  @return {Ext.dom.Element} this