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65 lines
6.9 KiB
HTML
65 lines
6.9 KiB
HTML
<article class="" id="post-">
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<header class="entry-header">
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<h1 class="entry-title">Next Adjacent Selector ("prev + next")</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/hierarchy-selectors/">层级</a></span>
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<span class="pull-right">英文文档：<a href="https://api.jquery123.com/next-adjacent-selector/" target="_blank">Next Adjacent Selector ("prev + next")</a></span>
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</div><!-- .entry-meta -->
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</header><!-- .entry-header -->
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<article class="entry selector" id="next-adjacent1"><h2 class="section-title"><span>next adjacent selector</span></h2>
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<div class="entry-wrapper">
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<p class="desc"><strong>Description: </strong>Selects all next elements matching "next" that are immediately preceded by a sibling "prev".</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">version added: <a href="/category/version/1.0/">1.0</a></span>jQuery( "prev + next" )</h4>
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<p class="argument"><strong>prev: </strong>Any valid selector.</p>
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<p class="argument"><strong>next: </strong>A selector to match the element that is next to the first selector.</p>
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</li></ul>
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<div class="longdesc" id="entry-longdesc">
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<p>One important point to consider with both the next adjacent sibling selector (<code>prev + next</code>) and the general sibling selector (<code>prev ~ siblings</code>) is that the elements on either side of the combinator must share the same parent.</p>
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</div>
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<section class="entry-examples" id="entry-examples"><header><h2>Example:</h2></header><div class="entry-example" id="example-0">
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<p>Finds all inputs that are next to a label.</p>
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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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</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 class="attribute">lang</span>=<span class="value">"en"</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">meta</span> <span class="attribute">charset</span>=<span class="value">"utf-8"</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">title</span>></span>next adjacent demo<span class="tag"></<span class="title">title</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-1.10.2.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> </code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">form</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">label</span> <span class="attribute">for</span>=<span class="value">"name"</span>></span>Name:<span class="tag"></<span class="title">label</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">"name"</span> <span class="attribute">id</span>=<span class="value">"name"</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">fieldset</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">label</span> <span class="attribute">for</span>=<span class="value">"newsletter"</span>></span>Newsletter:<span class="tag"></<span class="title">label</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 class="attribute">id</span>=<span class="value">"newsletter"</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">fieldset</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">form</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">"none"</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">script</span>></span><span class="javascript"></span></code></div></div><div class="container"><div class="line"><code>$( <span class="string">"label + input"</span> ).css( <span class="string">"color"</span>, <span class="string">"blue"</span> ).val( <span class="string">"Labeled!"</span> );</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>
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</article> |