Uncaught TypeError: Cannot set property 'w' of undefined about jquery-resize HOT 11 OPEN

function new_handler( e, w, h ) {
        var elem = $(this),
          data = $.data( this, str_data );
          if (!data) {
              data = $.data( this, str_data, {})
          }

          // If called from the polling loop, w and h will be passed in as
          // arguments. If called manually, via .trigger( 'resize' ) or .resize(),
          // those values will need to be computed.
          data.w = w !== undefined ? w : elem.width();
          data.h = h !== undefined ? h : elem.height();

        old_handler.apply( this, arguments );
      };

    ...
    function new_handler( e, w, h ) {
        var elem = $(this),
          data = $.data( this, str_data );
          // added this bit
          if (!data) {
              data = $.data( this, str_data, { w: elem.width(), h: elem.height() })
          }
          else {

            // If called from the polling loop, w and h will be passed in as
            // arguments. If called manually, via .trigger( 'resize' ) or .resize(),
            // those values will need to be computed.
            if (w !== undefined) {
                data.w = w
            }
            else {
                data.w = elem.width();
            }
            data.h = h !== undefined ? h : elem.height();
          }

        old_handler.apply( this, arguments );
      };

if (!data) {
              data = $.data( this, str_data, {})
          }