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+---
+title: pageAction.show()
+slug: Mozilla/Add-ons/WebExtensions/API/pageAction/show
+translation_of: Mozilla/Add-ons/WebExtensions/API/pageAction/show
+---
+<div>{{AddonSidebar()}}</div>
+
+<p>지정한 탭의 페이지 액션을 보인다. 페이지 액션은 해당 탭이 활성일 때 표시된다.</p>
+
+<p><code>show()</code>는 설정된 URL 패턴과 상관없이 동작한다. 따라서 <a href="https://developer.mozilla.org/Add-ons/WebExtensions/manifest.json/page_action"><code>show_matches</code></a>와 일치하지 않아도 <a href="https://developer.mozilla.org/Add-ons/WebExtensions/manifest.json/page_action"><code>hide_matches</code></a>여도 표시된다.</p>
+
+<p><code>show()</code>는 아무런 내용도 없는 탭에는 효과가 없다.</p>
+
+<h2 id="문법">문법</h2>
+
+<pre class="syntaxbox brush:js">browser.pageAction.show(
+  tabId // integer
+)
+</pre>
+
+<h3 id="매개변수">매개변수</h3>
+
+<dl>
+ <dt><code>tabId</code></dt>
+ <dd><code>integer</code>. 페이지 액션을 표시할 탭의 ID</dd>
+ <dt>
+ <h3 id="반환값">반환값</h3>
+
+ <p>값 없이 해결을 수행하는 <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise">Promise</a></code>.</p>
+ </dt>
+</dl>
+
+<h2 id="브라우저_호환성">브라우저 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.pageAction.show")}}</p>
+
+<h2 id="예제">예제</h2>
+
+<p>콘텍스트 메뉴가 선택되면 페이지 액션을 보이는 예제다. 메뉴를 만들려면 <code>contextMenus</code> <a href="/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permissions">권한</a>이 <a href="/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json">manifest</a>에 필요하다.</p>
+
+<pre class="brush: js">browser.contextMenus.create({
+  id: "show",
+  title: "Show page action"
+});
+
+browser.contextMenus.onClicked.addListener(function(info, tab) {
+  if (info.menuItemId == "show") {
+    browser.pageAction.show(tab.id);
+  }
+});
+</pre>
+
+<p>{{WebExtExamples}}</p>
+
+<div class="note"><strong>Acknowledgements</strong>
+
+<p>This API is based on Chromium's <a href="https://developer.chrome.com/extensions/pageAction#method-show"><code>chrome.pageAction</code></a> API. This documentation is derived from <a href="https://chromium.googlesource.com/chromium/src/+/master/chrome/common/extensions/api/page_action.json"><code>page_action.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>