ul根据以下示例HTML 查找元素下面的元素:
<ul _ngcontent-nkg-43="" ngmodelgroup="option">
<span _ngcontent-nkg-17="" style="cursor: pointer;">Option 1</span>
<span _ngcontent-nkg-17="" style="cursor: pointer;">Option 2</span>
<span _ngcontent-nkg-17="" style="cursor: pointer;">Option 3</span>
</ul>