React Hooks中的useState怎么修改数组中的值?

Question

const [data,setData] = useState(
[{a:1,b:2},
{a:2:b:3}]
)
怎么把数组里的第二个对象里的b修改成10？

Answer 1

      setData([{a:1,b:2},{a:2,b:10}])

或者

      const temp = data;
      temp[2].b = 10;
      setData(temp);