Rails 5 ajax

rails 5 ajax

        fetch("/admin/media/" + mediaId + "/update_image", {
          method: 'post',
          body: JSON.stringify(myData),
          headers: {
            'Content-Type': 'application/json',
            'X-CSRF-Token': Rails.csrfToken()
          },
          credentials: 'same-origin'
        }).then(function(response) {
          return response.json();
        }).then(function(data) {
          console.log(data);
        });
        
        
      Rails.ajax({
        url: "/admin/media",
        type: "get"
      });