tryjquery_misc_index_sel 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<script src="//libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $("button").click(function(){
    alert($(".hot").index($("#favorite")));
  });
});
</script>
</head>
<body>
<p>Click the button to get the index of the element with id="favorite", relative to the jQuery selector (class="hot"):</p>
<button>Get index</button>
<ul>
<li>Milk</li>
<li class="hot">Tea</li>
<li class="hot" id="favorite">Coffee</li>
</ul>
</body>
</html>
 
 
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运行结果
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