1、筛选单数组
var array = [1,2,3,4,5]
var result = array.filter(array => array < 4 && array >=2);
2、数组中包含数组
var array = [
{month: 9, cq: 2},
{month: 1, cq: 3},
{month: 2, cq: 3};
{month: 3, cq: 3}
]
var result = array.filter(array => array.month===1 && array.cq===2);