如何使用按钮滚动到表单的最后一篇“文章”？

<div id="formContainer" style="height: 400px; overflow-y: scroll;">
  <!-- 表单内容 -->
  <div class="article">文章1</div>
  <div class="article">文章2</div>
  <div class="article">文章3</div>
  <!-- 更多文章... -->
</div>

<button id="scrollButton">滚动到最后一篇文章</button>

const formContainer = document.getElementById('formContainer');
const scrollButton = document.getElementById('scrollButton');

scrollButton.addEventListener('click', () => {
  formContainer.scrollTop = formContainer.scrollHeight;
});