name_autogen

const nameField = document.querySelector("#elInput_applications_name");
if (nameField) {
  const firstName = document.querySelector("#elInput_perscom_applicationfield_20");
  const lastName = document.querySelector("#elInput_perscom_applicationfield_21");
  const callback = e => { nameField = `${firstName.value} ${lastName.value}`; };
  [firstName, lastName].map(e => e.addEventListener("blur", callback));
}