/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

5 votes216 views2 answers
Svg react native
Javascript React
0 vote212 views1 answer
Redirect to another path react
Javascript React
0 vote213 views1 answer
React native Setting a timer for a long period of time
Javascript React
136 votes272 views6 answers
Create a react app
Javascript React
3 votes212 views2 answers
Get param is react
Javascript React
0 vote224 views1 answer
React prevent form submission on enter key press inside inputs
Javascript React
0 vote224 views1 answer
Standalone form inside reactive form
Javascript React
0 vote222 views1 answer
React-native-image-viewing
Javascript React
22 votes205 views4 answers
Npm react copy to clipboard
Javascript React
0 vote239 views1 answer
Date in react js
Javascript React