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<html>
<head>
<title>jQuery contains selector example</title>

<script type="text/javascript" src="jquery-1.3.2.min.js"></script>

<style type="text/css">
    #msg{
        padding:8px;
        hright:100px;
    }
</style>
</head>

<body>

<h1>jQuery contains selector example</h1>

<div id="msg"></div>

<ul>
    <li>One</li>
    <li>two</li>
    <li>three</li>
    <li>four</li>
    <li>five</li>
</ul>

<p>
    This is a paragraph 1 - google.com
</p>

<p>
    This is a paragraph 2 - mkyong.com
</p>

<br/><br/>
<button>p:contains(paragraph 1)</button>
<button>p:contains(mkyong)</button>
<button>li:contains(three)</button>

<script type="text/javascript">
    $("button").click(function () {

      var str = $(this).text();
      $('p, li').css("border", "0px solid #000000");
      $(str).css("border", "1px solid #ff0000");
      $('#msg').html("<script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
<ins class="adsbygoogle"
     style="display:block; text-align:center;"
     data-ad-format="fluid"
     data-ad-layout="in-article"
     data-ad-client="ca-pub-2836379775501347"
     data-ad-slot="6894224149"></ins>
<script>
     (adsbygoogle = window.adsbygoogle ||[]).push({});
</script><h2>Button clicked : " + str + "</h2>");
    });

</script>

</body>
</html>

リンク://wp-content/uploads/jQuery/jQuery-contains-selector.html[デモを試してください]