隐藏/显示由Ipresso生成的表单中的内容

<form>
  <input type="text" class="hidden" />
  <button onclick="toggleForm()">Toggle Form</button>
</form>

.hidden {
  display: none;
}

function toggleForm() {
  var formElement = document.querySelector('form input');
  formElement.classList.toggle('hidden');
}

<form>
  <input type="text" id="formInput" />
  <button onclick="toggleForm()">Toggle Form</button>
</form>

function toggleForm() {
  var formElement = document.getElementById('formInput');
  if (formElement.style.display === 'none') {
    formElement.style.display = 'block';
  } else {
    formElement.style.display = 'none';
  }
}