How to make objects in an array reactive?

Question

Vue.js

Hello everyone, there is an array with objects, how to make objects inside the array reactive?
The objects are then printed out to a table and some properties are bound to the inputs via v-model.
After changing the input, you need to change the object in the array. Thanks

Answer 1

https://ru.vuejs.org/v2/api/index.html#Vue-set

Answer 2

If you use the Composition API, then you simply make the array itself reactive
const arr = ref([]);
and the array elements will become reactive