253-js call 传对象参数

var layEvent = obj.event;
active[layEvent].call(this,{tableIns:tableIns3,row:{name:'',type:'',arr:''}});

layEvent='delItemFieldSrc' 时：

active = { 
    delItemFieldSrc:function (params){
        let {tableIns,obj} = params;
        //...
    }
}