uTools-Manuals/docs/jQuery/jQuery.isArray.html
2019-04-21 11:50:48 +08:00

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<h1 class="entry-title">jQuery.isArray()</h1>
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所属分类:<span class="category"><a href="/category/utilities/">工具类</a></span>
<span class="pull-right">英文文档:<a href="https://api.jquery123.com/jQuery.isArray/" target="_blank">jQuery.isArray()</a></span>
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<article class="entry method" id="jQuery-isArray1"><h2 class="section-title">
<span class="name">jQuery.isArray( obj )</span><span class="returns">返回: <a href="/Types/#boolean">boolean</a></span>
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<p class="desc"><strong>描述: </strong>确定的参数是一个数组。</p>
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<span class="version-details">添加的版本: <a href="/category/version/1.3/">1.3</a></span>jQuery.isArray( obj )</h4>
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<div><strong>obj</strong></div>
<div>类型: <a href="/Types/#Object">Object</a>
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<div>对象,用来测试是否为一个数组。</div>
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<p><code>$.isArray()</code> 返回一用来指明对象是否是一个JavaScript数组而不是类似数组的对象如一个jQuery对象</p>
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<section class="entry-examples" id="entry-examples"><header><h2 class="underline">例子:</h2></header><div class="entry-example" id="example-0">
<h4><span class="desc">Finds out if the parameter is an array.</span></h4>
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<pre><div class="container"><div class="line"><code><span class="doctype">&lt;!DOCTYPE html&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">html</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">head</span>&gt;</span></code></div></div><div class="container"><div class="line"><code> <span class="tag">&lt;<span class="title">script</span> <span class="attribute">src</span>=<span class="value">"https://code.jquery.com/jquery-latest.js"</span>&gt;</span><span class="javascript"></span><span class="tag">&lt;/<span class="title">script</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">head</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">body</span>&gt;</span></code></div></div><div class="container"><div class="line"><code> Is [] an Array? <span class="tag">&lt;<span class="title">b</span>&gt;</span><span class="tag">&lt;/<span class="title">b</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">script</span>&gt;</span><span class="javascript">$(<span class="string">"b"</span>).append( <span class="string">""</span> + $.isArray([]) );</span><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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