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+---
+title: storage.sync
+slug: Mozilla/Add-ons/WebExtensions/API/storage/sync
+translation_of: Mozilla/Add-ons/WebExtensions/API/storage/sync
+---
+<div>{{AddonSidebar()}}</div>
+
+<div> </div>
+
+<p><code>sync</code> 저장 공간을 의미합니다. <code>sync</code> 저장 공간에 있는 데이터는 브라우저 사이에서 동기화되며 서로 다른 기기 간에 사용자가 브라우저에 로그인 한 경우 언제든지 접근 가능합니다.</p>
+
+<p>Firefox에서 <code>sync.storage</code> 는 고유한 부가기능 ID에 의존성을 갖고 동작합니다. <code>sync.storage</code>, 를 사용하신다면 <code><a href="/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/applications">어플리케이션</a></code> manifest.json 파일에 있는 키를 통해 여러분의 부가기능에 고유한 ID를 부여해야 합니다.</p>
+
+<p>이 API는 주로 여러분의 부가기능에 사용자 설정 정보를 저장하고 서로 다른 프로필 간에 설정을 동기화 할 수 있도록 사용됩니다. 이 API는 100KB까지 저장할 수 있습니다.  이보다 더 큰 데이터를 저장하려고 하는 경우, API 요청은 특정한 에러 메시지를 반환할 것입니다. 이 API는 아쉽게도 현재까지 특정한 성능을 보장하진 않습니다.</p>
+
+<h2 id="메소드">메소드</h2>
+
+<p><code>sync</code> 객체는 {{WebExtAPIRef("storage.StorageArea")}} 타입에 정의 된 메소드를 제공합니다:</p>
+
+<dl>
+ <dt>{{WebExtAPIRef("storage.StorageArea.get()")}}</dt>
+ <dd>저장소 영역에서 하나 이상의 항목을 가져온다.</dd>
+ <dt>{{WebExtAPIRef("storage.StorageArea.getBytesInUse()")}}</dt>
+ <dd>저장소의 사용된 크기를 바이트단위로 얻는다.</dd>
+ <dt>{{WebExtAPIRef("storage.StorageArea.set()")}}</dt>
+ <dd>저장소에 하나 이상의 항목을 설정한다. 이미 있는 항목은 교체된다.</dd>
+ <dt>{{WebExtAPIRef("storage.StorageArea.remove()")}}</dt>
+ <dd>저장소에서 하나 이상의 값을 지운다.</dd>
+ <dt>{{WebExtAPIRef("storage.StorageArea.clear()")}}</dt>
+ <dd>저장소의 모든 항목을 지워서 비운다.</dd>
+</dl>
+
+<h2 id="Browser_호환성">Browser 호환성</h2>
+
+<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>
+
+<p>{{Compat("webextensions.api.storage.sync")}}</p>
+
+<p>{{WebExtExamples}}</p>
+
+<div class="note"><strong>Acknowledgements</strong>
+
+<p>This API is based on Chromium's <a href="https://developer.chrome.com/extensions/storage#property-sync"><code>chrome.storage</code></a> API. This documentation is derived from <a href="https://chromium.googlesource.com/chromium/src/+/master/extensions/common/api/storage.json"><code>storage.json</code></a> in the Chromium code.</p>
+
+<p>Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.</p>
+</div>
+
+<div class="hidden">
+<pre>// Copyright 2015 The Chromium Authors. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+</pre>
+</div>