/Javascript/React/How to call api on load using hooks in react

How to call api on load using hooks in react

function User() {
  const [firstName, setFirstName] = React.useState(null);
  const [lastName, setLastName] = React.useState(null);
  
  React.useEffect(() => {
    fetch('https://randomuser.me/api/')
      .then(results => results.json())
      .then(data => {
        const {name} = data.results[0];
        setFirstName(name.first);
        setLastName(name.last);
      });
  }, []); // <-- Have to pass in [] here!

  return (
    <div>
      Name: {!firstName || !lastName ? 'Loading...' : `${firstName} ${lastName}`}
    </div>
  );
}

ReactDOM.render(<User />, document.querySelector('#app'));

Source: stackoverflow.com

Similar codes

0 vote346 views1 answer
React native controlling device brightness
Javascript React
0 vote327 views1 answer
Stateprovider.js react
Javascript React
1 vote299 views1 answer
React next alias import
Javascript React
0 vote341 views1 answer
React google map doesn't update marker
Javascript React
0 vote304 views1 answer
.env not working on react
Javascript React
-1 vote358 views1 answer
React-native-geolocation-service
Javascript React
6 votes316 views2 answers
Export default function react
Javascript React
0 vote328 views1 answer
Route with parameter react not working not found
Javascript React
133 votes521 views5 answers
Npx create-react-app
Javascript React
0 vote328 views1 answer
Cannot read properties of undefined (reading 'length') selectionlist react native
Javascript React