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authorFlorian Merz <me@fiji-flo.de>2021-02-11 14:49:24 +0100
committerFlorian Merz <me@fiji-flo.de>2021-02-11 14:49:24 +0100
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+---
+title: Set.prototype.clear()
+slug: Web/JavaScript/Referencje/Obiekty/Set/Set.prototype.clear()
+tags:
+ - ECMAScript 2015
+ - JavaScript
+ - Method
+ - Prototype
+ - set
+translation_of: Web/JavaScript/Reference/Global_Objects/Set/clear
+---
+<div>{{JSRef}}</div>
+
+<p>Metoda <strong>clear()</strong> usuwa wszystkie elementy obiektu <code>Set</code>.</p>
+
+<h2 id="Składnia">Składnia</h2>
+
+<pre class="syntaxbox"><code><em>mySet</em>.clear();</code></pre>
+
+<h3 id="Zwracana_wartość">Zwracana wartość</h3>
+
+<p>{{jsxref("undefined")}}.</p>
+
+<h2 id="Przykłady">Przykłady</h2>
+
+<h3 id="Użycie_metody_clear">Użycie metody clear</h3>
+
+<pre class="brush: js">var mySet = new Set();
+mySet.add(1);
+mySet.add('foo');
+
+mySet.size; // 2
+mySet.has('foo'); // true
+
+mySet.clear();
+
+mySet.size; // 0
+mySet.has('bar') // false
+</pre>
+
+<h2 id="Specyfikacje">Specyfikacje</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specyfikacja</th>
+ <th scope="col">Status</th>
+ <th scope="col">Komentarz</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES2015', '#sec-set.prototype.clear', 'Set.prototype.clear')}}</td>
+ <td>{{Spec2('ES2015')}}</td>
+ <td>Początkowa definicja.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ESDraft', '#sec-set.prototype.clear', 'Set.prototype.clear')}}</td>
+ <td>{{Spec2('ESDraft')}}</td>
+ <td> </td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Kompatybilność_przeglądarek">Kompatybilność przeglądarek</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Chrome</th>
+ <th>Edge</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>{{CompatVersionUnknown}}</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>Edge</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>25</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoMobile("19.0")}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>8</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="Zobacz_również">Zobacz również</h2>
+
+<ul>
+ <li>{{jsxref("Set")}}</li>
+ <li>{{jsxref("Set.prototype.delete()")}}</li>
+</ul>