CODE EXAMPLE FOR JAVASCRIPT

making all makers to show in react native map

render() {
    return (
        <MapView>
            {this.state.pois && this.state.pois.map(marker => (
                <CustomMarker
                    key={marker.id}
                    isZoomed={this.isMapZoomed(this.state.displayedRegion)}
                />
            ))}
        </MapView>
    );}