/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 votes146 views3 answers
How to scroll to an element javascript react
Javascript React
1 vote100 views1 answer
Mui modal backdrop
Javascript React
6 votes161 views5 answers
Scroll to top in react
Javascript React
2 votes148 views2 answers
React detect screen size
Javascript React
18 votes179 views3 answers
Add material ui to react
Javascript React
0 vote145 views1 answer
RenderIndicator example react responsive carousel
Javascript React
0 vote240 views1 answer
How to change tab color react bootstraps customixation
Javascript React
1 vote148 views1 answer
React native flatlist pull to refresh
Javascript React
17 votes159 views3 answers
React router url params
Javascript React
0 vote144 views1 answer
React chat sheet
Javascript React