function search(event) {
  event.preventDefault();
  let input = document.querySelector("#city-input");
  console.log(search.value);

  let h5 = document.querySelector("h5");
  if (input.value) {
    h5.innerHTML = `${input.value}...`;
  } else {
    h5.innerHTML = null;
    alert(`${input.value}...`);
  }
}
let form = document.querySelector("#search-form");
form.addEventListener("submit", search);

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