Javascript 如何获取<ul>中<li>的索引
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How to get the index of an <li> in a <ul>
提问by user695663
Possible Duplicates:
How to get index of <li> element
jQuery - get the index of a element with a certain class
I have:
我有：
<ul id="parent">
<li id="li1">li1</li>
<li id="li2">li2</li>
<li id="li3">li3</li>
</ul>
There are some other <ul>and <li>tags elsewhere.
其他地方还有一些其他<ul>和<li>标签。
I want to get the index of li2which is in the <ul>with id parentusing jQuery
我想使用 jQuery获取带有 id父级的li2的索引<ul>
回答by pixelbobby
OLDsimple answer: $('ul#parent li:eq(1)').index()
旧的简单答案：$('ul#parent li:eq(1)').index()
NEW$('#li2').index()
新的$('#li2').index()
回答by Felix Kling
回答by Sang Suantak
var index = $("#li2").prevAll().length; //assuming 0 based index
