如何使用jQuery获取<span class ="x">的所有<li>元素？

Question

如何获取具有<span>元素的所有列表元素class="required"

<form id="aform">
  <ul>
    <li id="name" >
      <label class="description" for="name">Name<span class="required">*</span></label>
      <div>
        <input id="brand_name" name="brand_name" class="text textfield50pc" type="text" maxlength="40" value="<?php echo $brand->name; ?>"/> 
      </div> 
    </li>
  </ul>    
</form>

Answer 1

尝试: $('li').has('span.required')