jquery-mobile/experiments/api-viewer/docs/first-selector/index.html

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<!DOCTYPE html>
<html lang='en'><head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, minimum-scale=1, maximum-scale=1"><meta http-equiv='content-type' content='text/html; charset=UTF-8' /></head><body>
<div data-role="page">
<div data-role="header">
<h1>:first Selector</h1>
</div>
<div data-role="content" data-theme="c" id="first1">
<h2 class="jq-clearfix roundTop section-title">
<span class="name">first</span> selector</h2>
<div class=" entry-details">
<h4 class="name">
<span class="versionAdded">version added: <a href="/version/1.0/">1.0</a></span>jQuery(':first')</h4>
<p class="desc"><strong>Description: </strong>Selects the first matched element.</p>
<div class="longdesc"><p>The <code>:first</code> pseudo-class is equivalent to <code>:eq(0)</code>. It could also be written as <code>:lt(1)</code>. While this matches only a single element, <a href="first-child-selector">:first-child</a> can match more than one: One for each parent.</p></div>
<h3>Example:</h3>
<div id="entry-examples" class="entry-examples"><div id="example-0">
<h4><span class="desc">Finds the first table row.</span></h4>
<pre><code class="example demo-code">&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
&lt;style&gt;
td { color:blue; font-weight:bold; }
&lt;/style&gt;
&lt;script src="http://code.jquery.com/jquery-latest.js"&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;table&gt;
&lt;tr&gt;&lt;td&gt;Row 1&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td&gt;Row 2&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td&gt;Row 3&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;
&lt;script&gt;$("tr:first").css("font-style", "italic");&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;</code></pre>
<h4>Demo:</h4>
<div class="demo code-demo"></div>
</div></div>
</div>
</div>
</div>
</body></html>