uTools-Manuals/docs/jQuery/has-attribute-selector.html

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<h1 class="entry-title">Has Attribute Selector [name]</h1>
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						所属分类：<span class="category"><a href="/category/selectors/">选择器</a> &gt; <a href="/category/selectors/attribute-selectors/">属性选择器</a></span>
<span class="pull-right">英文文档：<a href="https://api.jquery123.com/has-attribute-selector/" target="_blank">Has Attribute Selector [name]</a></span>
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<article class="entry selector" id="attributeHas1"><h2 class="section-title"><span>attributeHas selector</span></h2>
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<p class="desc"><strong>描述: </strong>选择所有具有指定属性的元素，该属性可以是任何值。</p>
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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]" )</h4>
<p class="argument"><strong>attribute: </strong>一个属性名</p>
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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">
<h4><span class="desc">绑定一个单一的点击，增加了div的id的文本。</span></h4>
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<pre><div class="container"><div class="line"><code><span class="doctype">&lt;!DOCTYPE html&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">html</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">head</span>&gt;</span></code></div></div><div class="container"><div class="line"><code>  <span class="tag">&lt;<span class="title">script</span> <span class="attribute">src</span>=<span class="value">"https://code.jquery.com/jquery-latest.js"</span>&gt;</span><span class="javascript"></span><span class="tag">&lt;/<span class="title">script</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">head</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">body</span>&gt;</span></code></div></div><div class="container"><div class="line"><code>  <span class="tag">&lt;<span class="title">div</span>&gt;</span>no id<span class="tag">&lt;/<span class="title">div</span>&gt;</span></code></div></div><div class="container"><div class="line"><code>  <span class="tag">&lt;<span class="title">div</span> <span class="attribute">id</span>=<span class="value">"hey"</span>&gt;</span>with id<span class="tag">&lt;/<span class="title">div</span>&gt;</span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code>  <span class="tag">&lt;<span class="title">div</span> <span class="attribute">id</span>=<span class="value">"there"</span>&gt;</span>has an id<span class="tag">&lt;/<span class="title">div</span>&gt;</span></code></div></div><div class="container"><div class="line"><code>  <span class="tag">&lt;<span class="title">div</span>&gt;</span>nope<span class="tag">&lt;/<span class="title">div</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">script</span>&gt;</span><span class="javascript"></span></code></div></div><div class="container"><div class="line"><code>$(<span class="string">'div[id]'</span>).one(<span class="string">'click'</span>, <span class="keyword">function</span>(){</code></div></div><div class="container"><div class="line"><code>  <span class="keyword">var</span> idString = $(<span class="keyword">this</span>).text() + <span class="string">' = '</span> + $(<span class="keyword">this</span>).attr(<span class="string">'id'</span>);</code></div></div><div class="container"><div class="line"><code>  $(<span class="keyword">this</span>).text(idString);</code></div></div><div class="container"><div class="line"><code>});</code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">script</span>&gt;</span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">body</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">html</span>&gt;</span></code></div></div></pre>
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<h4>Demo:</h4>
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