<form>
  <div class="form-group">
    <label>Label</label>
    <input type="text" required />
    <p class="error-message">Please enter a value</p>
  </div>
  <button>Submit</button>
</form>

const form = document.querySelector("form");
if (form) {
  form.addEventListener("submit", (e) => {
    e.preventDefault();
    form.reset();
  });
}