FormData to JSON object

//Rough implementation of application/JSOn formData submission https://darobin.github.io/formic/specs/json/
function jsonFromForm(form){
  const formdata = new FormData(form);
  //use iterable property of form.keys() to send JSON
  const data = {};
  for(let key of formdata.keys()){
    data[key] = formdata.get(key);
  }
  return JSON.stringify(data);
}