var datas = [ {month: "2018-01"}, {month: "2018-03"}, {month: "2018-02"} ] datas.((a,b){ .(a.start_month) - .(b.start_month);});
console.log(datas); 输出:[ {month: "2018-01"}, {month: "2018-02"}, {month: "2018-03"} ]