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+---
+title: WritableStream.abort()
+slug: Web/API/WritableStream/abort
+tags:
+  - API
+  - Experimental
+  - Method
+  - Reference
+  - Streams
+  - WritableStream
+  - abort
+translation_of: Web/API/WritableStream/abort
+---
+<div>{{draft}}{{SeeCompatTable}}{{APIRef("Streams")}}</div>
+
+<p class="summary"><span class="seoSummary">{{domxref("WritableStream")}} インターフェイスの <strong><code>abort()</code></strong> メソッドはストリームを中止し、プロデューサーがストリームに正常に書き込むことができなくなり、キューに入れられた書き込みが破棄されてすぐにエラー状態に移行することを通知します。</span></p>
+
+<h2 id="Syntax" name="Syntax">構文</h2>
+
+<pre class="syntaxbox">var <em>promise</em> = <em>writableStream</em>.abort(<em>reason</em>);</pre>
+
+<h3 id="Parameters" name="Parameters">パラメーター</h3>
+
+<dl>
+ <dt>reason</dt>
+ <dd>人間が読むことができる中止の理由を提供する {{domxref("DOMString")}}。</dd>
+</dl>
+
+<h3 id="Return_value" name="Return_value">戻り値</h3>
+
+<p>{{jsxref("Promise")}}。 <code>reason</code> パラメーターで指定された値で満たされます。</p>
+
+<h3 id="Exceptions" name="Exceptions">例外</h3>
+
+<dl>
+ <dt>TypeError</dt>
+ <dd>中止しようとしているストリームは {{domxref("WritableStream")}} ではないか、ロックされています。</dd>
+</dl>
+
+<h2 id="Examples" name="Examples">例</h2>
+
+<pre class="brush: js line-numbers  language-js"><code class="language-js"><span class="keyword token">const</span> writableStream <span class="operator token">=</span> <span class="keyword token">new</span> <span class="class-name token">WritableStream</span><span class="punctuation token">(</span><span class="punctuation token">{</span>
+  <span class="function token">write</span><span class="punctuation token">(</span>chunk<span class="punctuation token">)</span> <span class="punctuation token">{</span>
+    ...
+  <span class="punctuation token">}</span><span class="punctuation token">,</span>
+  <span class="function token">close</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="punctuation token">{</span>
+    <span class="keyword token">...</span>
+  <span class="punctuation token">}</span><span class="punctuation token">,</span>
+  <span class="function token">abort</span><span class="punctuation token">(</span>err<span class="punctuation token">)</span> <span class="punctuation token">{</span>
+    ...
+  <span class="punctuation token">}</span>
+<span class="punctuation token">}</span><span class="punctuation token">,</span> queuingStrategy<span class="punctuation token">)</span><span class="punctuation token">;</span>
+
+...
+
+// 必要に応じて、後でストリームを中止します
+writableStream.abort();
+</code>
+</pre>
+
+<h2 id="Specifications" name="Specifications">仕様</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">仕様</th>
+   <th scope="col">状態</th>
+   <th scope="col">コメント</th>
+  </tr>
+  <tr>
+   <td>{{SpecName("Streams","#ws-abort","abort()")}}</td>
+   <td>{{Spec2('Streams')}}</td>
+   <td>初期定義</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">ブラウザーの互換性</h2>
+
+<div class="hidden">
+<p>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>
+</div>
+
+<p>{{Compat("api.WritableStream.abort")}}</p>