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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:17 -0500
commitda78a9e329e272dedb2400b79a3bdeebff387d47 (patch)
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+---
+title: Storage.length
+slug: Web/API/Storage/length
+tags:
+ - API
+ - Property
+ - Read-only
+ - Reference
+ - Storage
+ - Web Storage
+translation_of: Web/API/Storage/length
+---
+<div>{{APIRef("Web Storage API")}}</div>
+
+<p>{{domxref("Storage")}} 인터페이스의 <code>length</code> 읽기 전용 속성은 <code>Storage</code> 객체에 저장된 데이터 항목의 수를 반환합니다.</p>
+
+<h2 id="구문">구문</h2>
+
+<pre class="syntaxbox notranslate"><em>length</em> = <em>storage</em>.length;</pre>
+
+<h3 id="반환_값">반환 값</h3>
+
+<p><code>Storage</code> 객체에 저장된 항목의 수.</p>
+
+<h2 id="예제">예제</h2>
+
+<p>다음의 함수는 현재 도메인의 로컬 저장소에 세 개의 항목을 추가한 후 저장소 항목의 수를 반환합니다.</p>
+
+<pre class="brush: js notranslate">function populateStorage() {
+ localStorage.setItem('bgcolor', 'yellow');
+ localStorage.setItem('font', 'Helvetica');
+ localStorage.setItem('image', 'cats.png');
+
+ return localStorage.length; // Should return 3
+}</pre>
+
+<div class="note">
+<p><strong>참고</strong>: 실제 사용 예제를 보시려면 저희의 <a href="https://mdn.github.io/dom-examples/web-storage/">Web Storage Demo</a>를 방문하세요.</p>
+</div>
+
+<h2 id="명세">명세</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('HTML WHATWG', 'webstorage.html#dom-storage-length', 'Storage.length')}}</td>
+ <td>{{Spec2('HTML WHATWG')}}</td>
+ <td></td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="브라우저_호환성">브라우저 호환성</h2>
+
+
+
+<p>{{Compat("api.Storage.length")}}</p>
+
+<h2 id="같이_보기">같이 보기</h2>
+
+<ul>
+ <li><a href="/ko/docs/Web/API/Web_Storage_API/Using_the_Web_Storage_API">Web Storage API 사용하기</a></li>
+</ul>