Vichwa vya HTTP Majibu katika AJAX kwa JavaScript

Vichwa vya majibu huhifadhiwa katika sifa headers ya kitu response. Wacha tupate kichwa fulani:

public/client.jsbutton.addEventListener('click', function() {
  fetch('/ajax.html').then(response => {
    console.log(response.headers.get('Content-Type'));
  });
});

Sasa tuwapeate vichwa vyote kwa kitanzi:

public/client.jsbutton.addEventListener('click', function() {
  fetch('/ajax.html').then(response => {
    for (let [key, value] of response.headers) {
      console.log(key, value);
    }
  });
});