如何查找元素在jquery中嵌套的深度 [英] how to find how deep an element is nested in jquery

问题描述

说我有这样的东西:

<ul id='B'>
  <li>
    <ul>
      <li id='A'></li>
    </ul>
 </li>
</ul>

我想找出从a-b到我需要走多远..我想把需要下降的父母数量作为一个数字返回.我将如何实现?

And I wanted to find out how far I needed to go to get from a-b.. and i wanted the number of parents I needed to go down returned as a number. How would I achieve it??

推荐答案

您可以尝试:

$('#B').parentsUntil('#A').length + 1; // last 1 because we're going until '#A'

演示

详细了解 .parentsUntil()

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