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
---
 .../reference/global_objects/map/clear/index.html  | 71 ++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 files/ja/web/javascript/reference/global_objects/map/clear/index.html

(limited to 'files/ja/web/javascript/reference/global_objects/map/clear')

diff --git a/files/ja/web/javascript/reference/global_objects/map/clear/index.html b/files/ja/web/javascript/reference/global_objects/map/clear/index.html
new file mode 100644
index 0000000000..3518878ab6
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+++ b/files/ja/web/javascript/reference/global_objects/map/clear/index.html
@@ -0,0 +1,71 @@
+---
+title: Map.prototype.clear()
+slug: Web/JavaScript/Reference/Global_Objects/Map/clear
+tags:
+  - ECMAScript 2015
+  - JavaScript
+  - Map
+  - Method
+  - Prototype
+  - Reference
+translation_of: Web/JavaScript/Reference/Global_Objects/Map/clear
+original_slug: Web/JavaScript/Reference/Global_Objects/Map/clear
+---
+<div>{{JSRef}}</div>
+
+<p><strong><code>clear()</code></strong> メソッドは <code>Map</code> オブジェクトからすべての要素を削除します。</p>
+
+<div>{{EmbedInteractiveExample("pages/js/map-prototype-clear.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>.clear();
+</pre>
+
+<h3 id="Return_value" name="Return_value">返値</h3>
+
+<p>{{jsxref("undefined")}}.</p>
+
+<h2 id="Examples" name="Examples">例</h2>
+
+<h3 id="Using_clear" name="Using_clear">clear() の使用</h3>
+
+<pre class="brush: js notranslate">var myMap = new Map();
+myMap.set('bar', 'baz');
+myMap.set(1, 'foo');
+
+myMap.size;       // 2
+myMap.has('bar'); // true
+
+myMap.clear();
+
+myMap.size;       // 0
+myMap.has('bar')  // false
+</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.clear', 'Map.prototype.clear')}}</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.clear")}}</p>
+
+<h2 id="See_also" name="See_also">関連情報</h2>
+
+<ul>
+ <li>{{jsxref("Map")}}</li>
+</ul>
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