Lauiuiでフォームデータを取得する方法

<code class="javascript">layui.form.val('form selector', {
  name: 'value',
  ...
});</code>

<code class="javascript">const value = $('#input-id').val();</code>

<code class="javascript">const formAPI = layui.form.render('form selector');
const value = formAPI.val('field-name');</code>

<code class="javascript">layui.request.post('/submit_form', {
  data: $('#form').serialize()
});</code>

<code class="javascript">layui.form.on('submit(submit-btn)', function(data) {
  console.log(data.field); // 表单字段数据
});</code>