提示:
        
        layer.msg(提示資訊, {time:1000, icon:5, shift:6}, 回撥方法);
        layer.alert(提示資訊, function(index){
            // 回撥方法
            layer.close(index);
        });

        詢問：
        
        layer.confirm("詢問資訊",  {icon: 3, title:'提示'}, function(cindex){
            layer.close(cindex);
        }, function(cindex){
            layer.close(cindex);
        });
        
        載入
        var loadingIndex = layer.msg('處理中', {icon: 16});
        ...
        layer.close(loadingIndex);
        
        var index = layer.load(2, {time: 10*1000});
        layer.close(index);