on close tab react native web
import { Beforeunload } from 'react-beforeunload'; class Example extends React.Component { state = { value: '' }; render() { return ( <> {value !== '' && ( <Beforeunload onBeforeunload={(event) => event.preventDefault()} /> )} <input onChange={(event) => this.setState({ value: event.target.value })} value={this.state.value} /> </> ); } }
