From f3bfeb89f97f0bbf4bfd09ab507395ee321c1413 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Fri, 23 Jul 2021 11:06:19 -0400
Subject: wasn't supposed to be orphaned (ja) (#1672)

* wasn't supposed to be orphaned (ja)

* fix redirects

* fix slug front-matter
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 .../reference/global_objects/map/delete/index.html | 74 ++++++++++++++++++++++
 1 file changed, 74 insertions(+)
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diff --git a/files/ja/web/javascript/reference/global_objects/map/delete/index.html b/files/ja/web/javascript/reference/global_objects/map/delete/index.html
new file mode 100644
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@@ -0,0 +1,74 @@
+---
+title: Map.prototype.delete()
+slug: Web/JavaScript/Reference/Global_Objects/Map/delete
+tags:
+  - ECMAScript 2015
+  - JavaScript
+  - Map
+  - Method
+  - Prototype
+  - Reference
+translation_of: Web/JavaScript/Reference/Global_Objects/Map/delete
+original_slug: Web/JavaScript/Reference/Global_Objects/Map/delete
+---
+<div>{{JSRef}}</div>
+
+<p><strong><code>delete()</code></strong> メソッドは <code>Map</code> オブジェクトから特定の要素を削除します。</p>
+
+<div>{{EmbedInteractiveExample("pages/js/map-prototype-delete.html")}}</div>
+
+<div class="hidden">このデモのソースファイルは GitHub リポジトリに格納されています。デモプロジェクトに協力したい場合は、 <a href="https://github.com/mdn/interactive-examples">https://github.com/mdn/interactive-examples</a> をクローンしてプルリクエストを送信してください。</div>
+
+<h2 id="Syntax" name="Syntax">構文</h2>
+
+<pre class="syntaxbox notranslate"><var>myMap</var>.delete(<var>key</var>);</pre>
+
+<h3 id="Parameters" name="Parameters">引数</h3>
+
+<dl>
+ <dt><code><var>key</var></code></dt>
+ <dd><code>Map</code> オブジェクトから削除する要素のキーです。</dd>
+</dl>
+
+<h3 id="Return_value" name="Return_value">返値</h3>
+
+<p><code>Map</code> オブジェクトの要素が削除されたら <code>true</code> を、要素が存在しなければ <code>false</code> を返します。</p>
+
+<h2 id="Examples" name="Examples">例</h2>
+
+<h3 id="Using_delete" name="Using_delete">delete() メソッドの使用</h3>
+
+<pre class="brush: js notranslate">var myMap = new Map();
+myMap.set('bar', 'foo');
+
+myMap.delete('bar'); // 正常に削除出来れば true を返す
+myMap.has('bar');    // 存在しない要素を確認すると false を返す
+</pre>
+
+<h2 id="Specifications" name="Specifications">仕様書</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">仕様書</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('ESDraft', '#sec-map.prototype.delete', 'Map.prototype.delete')}}</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES2015', '#sec-map.prototype.delete', 'Map.prototype.delete')}}</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">ブラウザーの互換性</h2>
+
+<p>{{Compat("javascript.builtins.Map.delete")}}</p>
+
+<h2 id="See_also" name="See_also">関連情報</h2>
+
+<ul>
+ <li>{{jsxref("Map")}}</li>
+</ul>
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