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72 lines
8.1 KiB
HTML
72 lines
8.1 KiB
HTML
<article class="" id="post-">
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<header class="entry-header">
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<h1 class="entry-title">:last-child Selector</h1>
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<div class="entry-meta">
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所属分类：<span class="category"><a href="/category/selectors/">选择器</a> > <a href="/category/selectors/child-filter-selectors/">子元素过滤</a></span>
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<span class="pull-right">英文文档：<a href="https://api.jquery123.com/last-child-selector/" target="_blank">:last-child Selector</a></span>
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</div><!-- .entry-meta -->
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</header><!-- .entry-header -->
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<!-- .entry-header -->
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<div class="entry-content">
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<article class="entry selector" id="last-child1"><h2 class="section-title"><span>last-child selector</span></h2>
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<div class="entry-wrapper">
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<p class="desc"><strong>描述: </strong>选择所有父级元素下的最后一个子元素。</p>
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<ul class="signatures"><li class="signature"><h4 class="name">
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<span class="version-details">添加的版本: <a href="/category/version/1.1.4/">1.1.4</a></span>jQuery( ":last-child" )</h4></li></ul>
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<div class="longdesc" id="entry-longdesc">
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<p> <a href="/last">:last</a> 只匹配一个单独的元素， <code>:last-child</code> 选择器可以匹配多个元素：即，为每个父级元素匹配最后一个子元素。</p>
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</div>
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<section class="entry-examples" id="entry-examples"><header><h2 class="underline">例子:</h2></header><div class="entry-example" id="example-0">
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<h4><span class="desc">在每个匹配的 div 中查找最后一个 span ，并加上 CSS 以及增加鼠标悬停效果。</span></h4>
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<div class="syntaxhighlighter xml ">
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<table>
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</td>
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<td class="code">
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<pre><div class="container"><div class="line"><code><span class="doctype"><!DOCTYPE html></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">html</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">head</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">style</span>></span><span class="css"></span></code></div></div><div class="container"><div class="line"><code><span class="tag">span</span><span class="class">.solast</span> <span class="rules">{ <span class="rule"><span class="attribute">text-decoration</span>:<span class="value">line-through;</span></span> <span class="rule">}</span></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">style</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">script</span> <span class="attribute">src</span>=<span class="value">"https://code.jquery.com/jquery-latest.js"</span>></span><span class="javascript"></span><span class="tag"></<span class="title">script</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">head</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">body</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">span</span>></span>John,<span class="tag"></<span class="title">span</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">span</span>></span>Karl,<span class="tag"></<span class="title">span</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">span</span>></span>Brandon,<span class="tag"></<span class="title">span</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">span</span>></span>Sam<span class="tag"></<span class="title">span</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">span</span>></span>Glen,<span class="tag"></<span class="title">span</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">span</span>></span>Tane,<span class="tag"></<span class="title">span</span>></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">span</span>></span>Ralph,<span class="tag"></<span class="title">span</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">span</span>></span>David<span class="tag"></<span class="title">span</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">script</span>></span><span class="javascript"></span></code></div></div><div class="container"><div class="line"><code>$(<span class="string">"div span:last-child"</span>)</code></div></div><div class="container"><div class="line"><code> .css({color:<span class="string">"red"</span>, fontSize:<span class="string">"80%"</span>})</code></div></div><div class="container"><div class="line"><code> .hover(<span class="function"><span class="keyword">function</span> <span class="params">()</span> {</span></code></div></div><div class="container"><div class="line"><code> $(<span class="keyword">this</span>).addClass(<span class="string">"solast"</span>);</code></div></div><div class="container"><div class="line"><code> }, <span class="function"><span class="keyword">function</span> <span class="params">()</span> {</span></code></div></div><div class="container"><div class="line"><code> $(<span class="keyword">this</span>).removeClass(<span class="string">"solast"</span>);</code></div></div><div class="container"><div class="line"><code> });</code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">script</span>></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">body</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">html</span>></span></code></div></div></pre>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<h4>Demo:</h4>
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<div class="demo code-demo"></div>
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</div></section>
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</div></article> </div>
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</article> |