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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:17 -0500
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+---
+title: Set.prototype.entries()
+slug: Web/JavaScript/Reference/Global_Objects/Set/entries
+translation_of: Web/JavaScript/Reference/Global_Objects/Set/entries
+---
+<div>{{JSRef}}</div>
+
+<p>Il metodo <code><strong>entries()</strong></code> restituisce un novo oggetto <code>Iterator</code> che contiene<strong> un array di <code>[valore, valore]</code></strong> per ciascun elemento nell'oggetto <code>Set</code>, nell'ordine con cui sono stati inseriti. Per gli oggetti di tipo <code>Set</code> non esiste alcuna <code>chiave</code> come per gli oggetti di tipo <code>Map</code>. Comunque, per mantenere le API simili a quelle dell'oggetto <code>Map</code>, per ciascun <em>elemento</em> dell'array viene utilizzato <em>value</em> anche per la <em>chiave</em>, perciò viene restituito un array <code>[valore, valore]</code>.</p>
+
+<h2 id="Sintassi">Sintassi</h2>
+
+<pre class="syntaxbox"><code><em>mySet</em>.entries()</code></pre>
+
+<h3 id="Valore_restituito">Valore restituito</h3>
+
+<p>Un nuovo oggetto <code>Iterator</code> che contiene un array di <code>[valore, valore]</code> per ciascun elemento nell'oggetto <code>Set</code>, nell'ordine con cui sono stati inseriti.</p>
+
+<h2 id="Esempi">Esempi</h2>
+
+<h3 id="Uso_di_entries()">Uso di <code>entries()</code></h3>
+
+<pre class="brush:js">var mySet = new Set();
+mySet.add("foobar");
+mySet.add(1);
+mySet.add("baz");
+
+var setIter = mySet.entries();
+
+console.log(setIter.next().value); // ["foobar", "foobar"]
+console.log(setIter.next().value); // [1, 1]
+console.log(setIter.next().value); // ["baz", "baz"]
+</pre>
+
+<h2 id="Specifiche">Specifiche</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specifiche</th>
+ <th scope="col">Stato</th>
+ <th scope="col">Commenti</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES6', '#sec-set.prototype.entries', 'Set.prototype.entries')}}</td>
+ <td>{{Spec2('ES6')}}</td>
+ <td>Initial definition.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ESDraft', '#sec-set.prototype.entries', 'Set.prototype.entries')}}</td>
+ <td>{{Spec2('ESDraft')}}</td>
+ <td> </td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilità_browser">Compatibilità browser</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("24") }}</td>
+ <td>{{CompatNo}}</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("24") }}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>8</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="Vedi_anche">Vedi anche</h2>
+
+<ul>
+ <li>{{jsxref("Set.prototype.keys()")}}</li>
+ <li>{{jsxref("Set.prototype.values()")}}</li>
+</ul>