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<h1 class="article-title" itemprop="name">Truthy and Falsy</h1>
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<a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/edit/master/docs/source/tutorials/truthy-and-falsy.md" class="article-edit-link" title="Improve this doc"><i class="icon-pencil"></i></a>
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<div class="article-content" itemprop="articleBody">
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<p>Though <a target="_blank" rel="noopener external nofollow noreferrer" href="https://www.npmjs.com/package/liquidjs">Liquid</a> is platform-independent, there’re <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs#differences-and-limitations">certain differences</a> with <a target="_blank" rel="noopener external nofollow noreferrer" href="https://shopify.github.io/liquid">the Ruby version</a>, one of which is the <code>truthy</code> value.</p>
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<h2 id="The-Truth-Table" class="article-heading"><a href="#The-Truth-Table" class="headerlink" title="The Truth Table"></a>The Truth Table<a class="article-anchor" href="#The-Truth-Table" aria-hidden="true"></a></h2><p>According to <a target="_blank" rel="noopener external nofollow noreferrer" href="https://shopify.github.io/liquid/basics/truthy-and-falsy/">Shopify document</a> everything other than <code>false</code> and <code>nil</code> is truthy. But in JavaScript we have a totally different type system, we have types like <code>undefined</code> and we don’t differentiate <code>integer</code> and <code>float</code>, thus things are slightly different:</p>
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<table>
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<thead>
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<tr>
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<th>value</th>
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<th>truthy</th>
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<th>falsy</th>
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</tr>
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</thead>
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<tbody><tr>
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<td><code>true</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>false</code></td>
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<td></td>
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<td>✔️</td>
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</tr>
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<tr>
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<td><code>null</code></td>
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<td></td>
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<td>✔️</td>
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</tr>
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<tr>
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<td><code>undefined</code></td>
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<td></td>
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<td>✔️</td>
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</tr>
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<tr>
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<td><code>string</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>empty string</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>0</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>integer</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>float</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>array</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>empty array</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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</tbody></table>
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<h2 id="Use-JavaScript-Truthy" class="article-heading"><a href="#Use-JavaScript-Truthy" class="headerlink" title="Use JavaScript Truthy"></a>Use JavaScript Truthy<a class="article-anchor" href="#Use-JavaScript-Truthy" aria-hidden="true"></a></h2><p>Note that liquidjs use Shopify’s truthiness by default. But it can be toggled to used standard JavaScript truthiness by setting the <strong>jsTruthy</strong> option to <code>true</code>.</p>
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<table>
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<thead>
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<tr>
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<th>value</th>
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<th>truthy</th>
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<th>falsy</th>
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</tr>
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</thead>
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<tbody><tr>
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<td><code>true</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>false</code></td>
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<td></td>
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<td>✔️</td>
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</tr>
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<tr>
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<td><code>null</code></td>
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<td></td>
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<td>✔️</td>
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</tr>
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<tr>
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<td><code>undefined</code></td>
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<td></td>
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<td>✔️</td>
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</tr>
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<tr>
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<td><code>string</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>empty string</code></td>
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<td></td>
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<td>✔️</td>
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</tr>
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<tr>
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<td><code>0</code></td>
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<td></td>
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<td>✔️</td>
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</tr>
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<tr>
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<td><code>integer</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>float</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>array</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<tr>
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<td><code>empty array</code></td>
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<td>✔️</td>
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<td></td>
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</tr>
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<footer class="article-footer">
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<time class="article-footer-updated" datetime="2026-06-06T17:38:08.031Z" itemprop="dateModified">Last updated: 2026-06-06</time>
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<a href="operators.html" class="article-footer-prev" title="Operators"><i class="icon-chevron-left"></i><span>Prev</span></a><a href="security-model.html" class="article-footer-next" title="Security Model"><span>Next</span><i class="icon-chevron-right"></i></a>
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<strong class="sidebar-title">Contents</strong>
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<ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#The-Truth-Table"><span class="toc-text">The Truth Table</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#Use-JavaScript-Truthy"><span class="toc-text">Use JavaScript Truthy</span></a></li></ol>
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<script src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js"></script>
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<script>
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document.getElementById('search-input-wrap').classList.add('on');
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docsearch({
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appId: 'QJ35YOZTU4',
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apiKey: '8c6cbb824b4c5023f0bb2ef29e228bef',
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indexName: 'liquidjs',
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inputSelector: '#search-input',
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debug: false
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});
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</script>
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<!-- Google tag (gtag.js) -->
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<script async src="https://www.googletagmanager.com/gtag/js?id=G-GM713991QQ"></script>
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||
<script>
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||
window.dataLayer = window.dataLayer || [];
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function gtag(){dataLayer.push(arguments);}
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gtag('js', new Date());
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gtag('config', 'G-GM713991QQ');
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||
</script>
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</body>
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||
</html> |