function(hide){
      var othis = $(this)
      ,elemCell = othis.children(ELEM_CELL);
      
      if(hide){
        othis.find('.layui-table-grid-down').remove();
      } else if(elemCell.prop('scrollWidth') > elemCell.outerWidth()){
        if(elemCell.find('.'+ ELEM_GRID_DOWN)[0]) return;
        othis.append('<div class="'+ ELEM_GRID_DOWN +'"><i class="layui-icon layui-icon-down"></i></div>');
      }
    }
function(hide){
      var othis = $(this)
      ,elemCell = othis.children(ELEM_CELL);
      
      if(hide){
        othis.find('.layui-table-grid-down').remove();
      } else if(elemCell.prop('scrollWidth') > elemCell.outerWidth()){
        if(elemCell.find('.'+ ELEM_GRID_DOWN)[0]) return;
        othis.append('<div class="'+ ELEM_GRID_DOWN +'"><i class="layui-icon layui-icon-down"></i></div>');
      }
    }
function ( hide ) { var othis = $ ( this ) , elemCell = othis . children ( ELEM_CELL ) ; if ( hide ) { othis . find ( '.layui-table-grid-down' ) . remove ( ) ; } else if ( elemCell . prop ( 'scrollWidth' ) > elemCell . outerWidth ( ) ) { if ( elemCell . find ( '.' + ELEM_GRID_DOWN ) [ 0 ] ) return ; othis . append ( '<div class="' + ELEM_GRID_DOWN + '"><i class="layui-icon layui-icon-down"></i></div>' ) ; } }
单元格展开图标
单元格展开图标