1. define function

           const handleUpdate = async () => {
              const res = await fetch('https://jsonplaceholder.typicode.com/users/1', {
                method: 'PUT',
                headers: {
                  'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                  id: 1,
                  name: 'Updated Name',
                  email: 'updated@example.com'
                })
              });

              const data = await res.json();
              console.log('Updated:', data);
            };


          

1. method

2. headers

3. body

2. example

   



function App() {

        const handleUpdate = async () => {
            const res = await fetch('https://jsonplaceholder.typicode.com/users/1', {
              method: 'PUT',
              headers: {
                'Content-Type': 'application/json'
              },
              body: JSON.stringify({
                id: 1,
                name: 'Updated Name',
                email: 'updated@example.com'
              })
            });

            const data = await res.json();
            console.log('Updated:', data);
          };


  return (
      <button onClick={handleUpdate}>Update (PUT)</button>
  );
}

export default App;