update one value in array using setstate react code example
Example 1: react native update state array of objects
let markers = [ ...this.state.markers ];
markers[index] = {...markers[index], key: value};
this.setState({ markers });
Example 2: update object in array state by index
this.setState(({items}) => ({
items: [
...items.slice(0,1),
{
...items[1],
name: 'newName',
},
...items.slice(2)
]
}));