text: let headers = new Headers()
  headers.append('Content-Type', 'application/json');
  headers.append('Accept', 'application/json');
  headers.append('Origin', 'http://127.0.0.1:3000');
  
  fetch('http://127.0.0.1:5000/user/login/refresh', {
      mode : 'cors',
      method : 'GET',
      credentials : 'include'
  })
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => document.write(error.message))