Question

如何循环获取这个span里的data

Answer 1

<li class='type_Label_Items'>
<span data-id='1'>aaa</span><span>1</span><span>2</span> 
</li>
<li class='type_Label_Items'>
<span data-id='2'>aaa</span><span>1</span><span>2</span> 
</li>
<li class='type_Label_Items'>
<span data-id='3'>aaa</span><span>1</span><span>2</span> 
</li>
<script src=scripts/jquery-1.8.3.min.js></script>
<script>
/* jQuery */
$(function() {
  $('.type_Label_Items').each(function() {
    alert($(this).find('[data-id]').attr('data-id'));
  })
  //或
  $('.type_Label_Items [data-id]').each(function() {
    alert($(this).attr('data-id'));
  })
});
</script>