Fetch: POST json data

Question

I\'m trying to POST a JSON object using fetch.

From what I can understand, I need to attach a stringified object to the body of the request, e.g.:

Answer 1

Had the same issue - no body was sent from a client to a server.

Adding Content-Type header solved it for me:

var headers = new Headers();

headers.append('Accept', 'application/json'); // This one is enough for GET requests
headers.append('Content-Type', 'application/json'); // This one sends body

return fetch('/some/endpoint', {
    method: 'POST',
    mode: 'same-origin',
    credentials: 'include',
    redirect: 'follow',
    headers: headers,
    body: JSON.stringify({
        name: 'John',
        surname: 'Doe'
    }),
}).then(resp => {
    ...
}).catch(err => {
   ...
})