ASP.NET Core 3 and React

Questions

The following questions will test our knowledge of what we have just learned:

1. What is wrong with the following HTTP POST request using the fetch function?

fetch('http://localhost:17525/api/person', {  method: 'post',  headers: {    'Content-Type': 'application/json',  },  body: {    firstName: 'Fred'    surname: 'Smith'  }})

2. What is wrong with the following request using the fetch function?

fetch('http://localhost:17525/api/person/1')  .then(res => {    console.log('firstName', res.body.firstName);  })

3. What is wrong with the following request using the fetch function?

fetch('http://localhost:17525/api/person/21312')  .then(res => res.json())  .catch(res => {    if (res.status === 404) {      console.log('person not found')    }  });

4. We have an endpoint for ...