paddockpass/react/4/seasons/src/index.js
2019-07-19 22:21:21 +02:00

26 lines
571 B
JavaScript

import React from 'react'
import ReactDOM from 'react-dom'
class App extends React.Component {
// specific to JS not to React
constructor(props) {
super(props)
this.state = { lat: null }
window.navigator.geolocation.getCurrentPosition(
postion => {
this.setState({ lat: postion.coords.latitude })
},
err => console.log(err)
)
}
render() {
return <div>Latitude: {this.state.lat}</div>
}
}
ReactDOM.render(
<App />,
document.querySelector('#root')
)