我想过滤这个数据数组到状态和城市数组。我如何使用lodash或其他更好的方式来实现这一点,而不是循环和维护额外的数组。如何筛选反应本机中的对象数组?
data: [
{ id: 1, name: Mike, city: philps, state: New York},
{ id: 2, name: Steve, city: Square, state: Chicago},
{ id: 3, name: Jhon, city: market, state: New York},
{ id: 4, name: philps, city: booket, state: Texas},
{ id: 5, name: smith, city: brookfield, state: Florida},
{ id: 6, name: Broom, city: old street, state: Florida},
]
哪个用户点击state
,出现状态列表。
{state: New York, count: 2},
{state: Texas, count: 1},
{state: Florida, count: 2},
{state: Chicago, count: 1},
当用户点击特定状态时,出现该状态的cities
列表。例如。当用户点击纽约州,
{id:1, name: Mike, city: philps}
{id:3, name: Jhon, city: market}
的可能的复制[什么是GROUPBY对象的JavaScript的阵列上的最有效的方法?(https://stackoverflow.com/questions/14446511/what-is-the对于状态计数,它的打印输出数据数组是最有效的方法到对象上的一组javascript- – bennygenel