Fetch form dataThe Request.formData() and Response.formData() methods read a request or response body and return a FormData promise. You can use it to access the fields of a form submission.fetchFetchlimitedhttps://fetch.spec.whatwg.org/#body-mixinhttps://developer.mozilla.org/docs/Web/API/Request/formDataapi.Request.formDataapi.Response.formDatahttps://nowyoucanuse.com/features--fetch-formdata.html