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+---
+title: Map.prototype.clear()
+slug: Web/JavaScript/Referencia/Objectes_globals/Map/clear
+translation_of: Web/JavaScript/Reference/Global_Objects/Map/clear
+---
+<div>{{JSRef}}</div>
+
+<p>El mètode <code><strong>clear()</strong></code> esborra tots els elements d'un objecte de tipus <code>Map</code>.</p>
+
+<h2 id="Sintaxi">Sintaxi</h2>
+
+<pre class="syntaxbox"><code><em>myMap</em>.clear();</code></pre>
+
+<h2 id="Exemples">Exemples</h2>
+
+<h3 id="Utilitzar_el_mètode_clear">Utilitzar el mètode <code>clear</code></h3>
+
+<pre class="brush: js">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="Especificacions">Especificacions</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Especificació</th>
+ <th scope="col">Estat</th>
+ <th scope="col">Comentaris</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES6', '#sec-map.prototype.clear', 'Map.prototype.clear')}}</td>
+ <td>{{Spec2('ES6')}}</td>
+ <td>Definició inicial.</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilitat_amb_navegadors">Compatibilitat amb navegadors</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Característica</th>
+ <th>Chrome</th>
+ <th>Firefox (Gecko)</th>
+ <th>Internet Explorer</th>
+ <th>Opera</th>
+ <th>Safari</th>
+ </tr>
+ <tr>
+ <td>Suport bàsic</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>Característica</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>Suport bàsic</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="Vegeu_també">Vegeu també</h2>
+
+<ul>
+ <li>{{jsxref("Map")}}</li>
+</ul>