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58 lines
4.9 KiB
HTML
58 lines
4.9 KiB
HTML
<article class="" id="post-">
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<header class="entry-header">
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<h1 class="entry-title">Attribute Starts With Selector [name^="value"]</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/attribute-selectors/">属性选择器</a></span>
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<span class="pull-right">英文文档：<a href="https://api.jquery123.com/attribute-starts-with-selector/" target="_blank">Attribute Starts With Selector [name^="value"]</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="attributeStartsWith1"><h2 class="section-title"><span>attributeStartsWith selector</span></h2>
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<div class="entry-wrapper">
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<p class="desc"><strong>描述: </strong>选择指定属性是以给定字符串开始的元素</p>
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<ul class="signatures"><li class="signature">
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<h4 class="name">
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<span class="version-details">添加的版本: <a href="/category/version/1.0/">1.0</a></span>jQuery( "[attribute^='value']" )</h4>
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<p class="argument"><strong>attribute: </strong>一个属性名.</p>
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<p class="argument"><strong>value: </strong>一个属性值，可以是一个不带引号的一个单词或带一个引号的字符串。</p>
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</li></ul>
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<div class="longdesc" id="entry-longdesc">
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<p>
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这个选择器能很方便的定位一些由服务器端框架生成的语义化的 ID，它们可能带有相同的前缀。然而这个选择器的速度要比用 class 选择器慢得多。所以如果可能的话，最好在这些元素上生成相同的 class，之后使用 class 选择器来选中它们。</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">Finds all inputs with an attribute name that starts with 'news' and puts text in them.</span></h4>
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<div class="syntaxhighlighter xml ">
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<table>
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<tbody>
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<tr>
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<td class="gutter">
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<div class="line n1">1</div>
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<div class="line n2">2</div>
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<div class="line n3">3</div>
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<div class="line n4">4</div>
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<div class="line n5">5</div>
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<div class="line n6">6</div>
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<div class="line n7">7</div>
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<div class="line n8">8</div>
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<div class="line n9">9</div>
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<div class="line n10">10</div>
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<div class="line n11">11</div>
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<div class="line n12">12</div>
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<div class="line n13">13</div>
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<div class="line n14">14</div>
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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">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">input</span> <span class="attribute">name</span>=<span class="value">"newsletter"</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">input</span> <span class="attribute">name</span>=<span class="value">"milkman"</span> /></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">input</span> <span class="attribute">name</span>=<span class="value">"newsboy"</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 class="string">'input[name^="news"]'</span>).val(<span class="string">'news here!'</span>);</span><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"><iframe height="250" width="100%"></iframe></div>
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</div></section>
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</div></article> </div>
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</article> |