---
title: browsingData.removeCache()
slug: Mozilla/Add-ons/WebExtensions/API/browsingData/removeCache
tags:
  - API
  - Add-ons
  - Extensions
  - Method
  - Reference
  - WebExtensions
  - browsingData
  - removeCache
translation_of: Mozilla/Add-ons/WebExtensions/API/browsingData/removeCache
---
<div>{{AddonSidebar()}}</div>

<p>ブラウザのキャッシュを消去します。</p>

<p>この関数は{{WebExtAPIRef("browsingData.RemovalOptions")}} オブジェクトを引数に取りますが無視されます。そのためこの関数を使うとすべてのキャッシュが消去されるため注意してください。</p>

<p>この関数は <code><a href="/ja/docs/Web/JavaScript/Reference/Global_Objects/Promise">Promise</a></code> を返す非同期関数です。</p>

<h2 id="構文">構文</h2>

<pre class="syntaxbox brush:js">var removing = browser.browsingData.removeCache(
  removalOptions            // RemovalOptions オブジェクト
)
</pre>

<h3 id="引数">引数</h3>

<dl>
 <dt><code>removalOptions </code>{{optional_inline}}</dt>
 <dd>{{WebExtAPIRef("browsingData.RemovalOptions")}} オブジェクト このパラメータは無視されます。</dd>
</dl>

<h3 id="返り値">返り値</h3>

<p>消去が完了した後に実行される <code><a href="/ja/docs/Web/JavaScript/Reference/Global_Objects/Promise">Promise</a></code> が返されます。この Promise は引数を持ちません。エラーが発生した場合はエラーメッセージを引数にしてrejectを呼び出します。</p>

<h2 id="ブラウザ実装状況">ブラウザ実装状況</h2>

<p>{{Compat("webextensions.api.browsingData.removeCache")}}</p>

<h2 id="例">例</h2>

<p>ブラウザキャッシュを消去します。</p>

<pre class="brush: js">function onRemoved() {
  console.log("removed");
}

function onError(error) {
  console.error(error);
}

browser.browsingData.removeCache({}).
then(onRemoved, onError);</pre>

<p>{{WebExtExamples}}</p>

<div class="note"><strong>Acknowledgements</strong>

<p>この API は Chromium の <a href="https://developer.chrome.com/extensions/browsingData"><code>chrome.browsingData</code></a> API に基づいています。</p>

<p>Microsoft Edge の実装状況は Microsoft Corporation から提供されたものであり、ここでは  Creative Commons Attribution 3.0 United States License に従っています。</p>
</div>

<div class="hidden">
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