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+---
+title: Map.prototype.clear()
+slug: Web/JavaScript/Reference/Global_Objects/Map/clear
+tags:
+  - ECMAScript 2015
+  - JavaScript
+  - Mapa
+  - Prototipo
+  - metodo
+translation_of: Web/JavaScript/Reference/Global_Objects/Map/clear
+---
+<div>{{JSRef}}</div>
+
+<p>O método <code><strong>clear()</strong></code> remove todos os elementos de um objeto <code>Map</code>.</p>
+
+<h2 id="Sintaxe">Sintaxe</h2>
+
+<pre class="syntaxbox"><code><em>meuMapa</em>.clear();</code></pre>
+
+<h3 id="Valor_retornado">Valor retornado</h3>
+
+<p>{{jsxref("undefined")}}.</p>
+
+<h2 id="Exemplos">Exemplos</h2>
+
+<h3 id="Usando_o_método_clear">Usando o método <code>clear</code></h3>
+
+<pre class="brush: js">var meuMapa = new Map();
+meuMapa.set('bar', 'baz');
+meuMapa.set(1, 'foo');
+
+meuMapa.size;       // 2
+meuMapa.has('bar'); // true
+
+meuMapa.clear();
+
+meuMapa.size;       // 0
+meuMapa.has('bar')  // false
+</pre>
+
+<h2 id="Especificações">Especificações</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Especificação</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comentário</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES2015', '#sec-map.prototype.clear', 'Map.prototype.clear')}}</td>
+   <td>{{Spec2('ES2015')}}</td>
+   <td>Definição inicial.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ESDraft', '#sec-map.prototype.clear', 'Map.prototype.clear')}}</td>
+   <td>{{Spec2('ESDraft')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilidade_com_os_navegadores">Compatibilidade com os navegadores</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>38</td>
+   <td>{{CompatGeckoDesktop("19.0")}}</td>
+   <td>11</td>
+   <td>25</td>
+   <td>7.1</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Android</th>
+   <th>Chrome for Android</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatNo}}</td>
+   <td>38</td>
+   <td>{{CompatGeckoMobile("19.0")}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>8</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="Veja_também">Veja também</h2>
+
+<ul>
+ <li>{{jsxref("Map")}}</li>
+</ul>