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React checking matches in state array

React checking matches in state array

let markers = [ ...this.state.markers ];
markers[index] = {...markers[index], key: value};
this.setState({ markers });

3

Source: stackoverflow.com

React native update state array of objects

let newMarkers = markers.map(el => (
      el.name==='name'? {...el, key: value}: el
))
this.setState({ markers });

1

Source: stackoverflow.com

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