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37 lines
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37 lines
23 KiB
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class="sidebar-link">transform()</a></li><li><a href="/<REPO>/api/union.html" class="sidebar-link">union()</a></li><li><a href="/<REPO>/api/unique.html" class="sidebar-link">unique()</a></li><li><a href="/<REPO>/api/unless.html" class="sidebar-link">unless()</a></li><li><a href="/<REPO>/api/unlessEmpty.html" class="sidebar-link">unlessEmpty()</a></li><li><a href="/<REPO>/api/unlessNotEmpty.html" class="sidebar-link">unlessNotEmpty()</a></li><li><a href="/<REPO>/api/unwrap.html" class="sidebar-link">unwrap()</a></li><li><a href="/<REPO>/api/values.html" class="sidebar-link">values()</a></li><li><a href="/<REPO>/api/when.html" class="sidebar-link">when()</a></li><li><a href="/<REPO>/api/whenEmpty.html" class="sidebar-link">whenEmpty()</a></li><li><a href="/<REPO>/api/whenNotEmpty.html" class="sidebar-link">whenNotEmpty()</a></li><li><a href="/<REPO>/api/where.html" class="sidebar-link">where()</a></li><li><a href="/<REPO>/api/whereBetween.html" class="sidebar-link">whereBetween()</a></li><li><a href="/<REPO>/api/whereIn.html" class="sidebar-link">whereIn()</a></li><li><a href="/<REPO>/api/whereInstanceOf.html" class="sidebar-link">whereInstanceOf()</a></li><li><a href="/<REPO>/api/whereNotBetween.html" class="sidebar-link">whereNotBetween()</a></li><li><a href="/<REPO>/api/whereNotIn.html" class="sidebar-link">whereNotIn()</a></li><li><a href="/<REPO>/api/wrap.html" class="sidebar-link">wrap()</a></li><li><a href="/<REPO>/api/zip.html" class="sidebar-link">zip()</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="last"><a href="#last" aria-hidden="true" class="header-anchor">#</a> <code>last()</code></h1> <p>The last method returns the last element in the collection that passes a given truth test:</p> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">const</span> collection <span class="token operator">=</span> <span class="token function">collect</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">const</span> last <span class="token operator">=</span> collection<span class="token punctuation">.</span><span class="token function">last</span><span class="token punctuation">(</span><span class="token parameter">item</span> <span class="token operator">=></span> item <span class="token operator">></span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token comment">//=> 3</span>
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</code></pre></div><p>You may also call the last method with no arguments to get the last element in the collection. If the collection is empty, <code>null</code> is returned:</p> <div class="language-js extra-class"><pre class="language-js"><code><span class="token function">collect</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">,</span> <span class="token number">4</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">last</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token comment">//=> 4</span>
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</code></pre></div><p><a href="https://github.com/ecrmnn/collect.js/blob/master/src/methods/last.js" target="_blank" rel="noopener noreferrer">View source on GitHub<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></p></div> <footer class="page-edit"><!----> <!----></footer> <div class="page-nav"><p class="inner"><span class="prev">
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