POST request

let data = new Object();

data = {
  // data
}

var form = new URLSearchParams(data);

const url = `${baseUrl}/`;

var request = new Request(url, {
  method: 'POST',
  body: form,
  headers: new Headers({
    'Content-Type': 'application/x-www-form-urlencoded',
    'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
  })
});

fetch(request)
  .then(response => response.json())
  .then(function(data) {
  console.log();
})
  .catch(function(error) {
});