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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:42:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:42:17 -0500 |
commit | da78a9e329e272dedb2400b79a3bdeebff387d47 (patch) | |
tree | e6ef8aa7c43556f55ddfe031a01cf0a8fa271bfe /files/it/web/javascript/reference/global_objects/array/entries/index.html | |
parent | 1109132f09d75da9a28b649c7677bb6ce07c40c0 (diff) | |
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diff --git a/files/it/web/javascript/reference/global_objects/array/entries/index.html b/files/it/web/javascript/reference/global_objects/array/entries/index.html new file mode 100644 index 0000000000..31e156afb8 --- /dev/null +++ b/files/it/web/javascript/reference/global_objects/array/entries/index.html @@ -0,0 +1,77 @@ +--- +title: Array.prototype.entries() +slug: Web/JavaScript/Reference/Global_Objects/Array/entries +translation_of: Web/JavaScript/Reference/Global_Objects/Array/entries +--- +<div>{{JSRef}}</div> + +<p>Il metodo <code><strong>entries()</strong></code> restituisce un nuovo oggetto <code><strong>Array Iterator</strong></code> contenente delle coppie chiave/valore per ogni indice presente nell'array.</p> + +<div>{{EmbedInteractiveExample("pages/js/array-entries.html")}}</div> + + + +<h2 id="Sintassi">Sintassi</h2> + +<pre class="syntaxbox"><var>a</var>.entries()</pre> + +<h3 id="Valore_ritornato">Valore ritornato</h3> + +<p>Un nuovo oggetto iterator {{jsxref("Array")}}.</p> + +<h2 id="Esempi">Esempi</h2> + +<h3 id="Utilizzo_nel_for…of">Utilizzo nel <a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...of">for…of</a></h3> + +<pre class="brush:js">var a = ['a', 'b', 'c']; +var iterator = a.entries(); + +for (let e of iterator) { + console.log(e); +} +// [0, 'a'] +// [1, 'b'] +// [2, 'c'] +</pre> + +<h2 id="Specifiche">Specifiche</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Specifica</th> + <th scope="col">Stato</th> + <th scope="col">Commento</th> + </tr> + <tr> + <td>{{SpecName('ES2015', '#sec-array.prototype.entries', 'Array.prototype.entries')}}</td> + <td>{{Spec2('ES2015')}}</td> + <td>Definizione iniziale.</td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-array.prototype.entries', 'Array.prototype.entries')}}</td> + <td>{{Spec2('ESDraft')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="Compatibilità_con_il_browser">Compatibilità con il browser</h2> + +<div> + + +<p>{{Compat("javascript.builtins.Array.entries")}}</p> +</div> + +<h2 id="Vedi_anche">Vedi anche</h2> + +<ul> + <li>{{jsxref("Array.prototype.keys()")}}</li> + <li>{{jsxref("Array.prototype.values()")}}</li> + <li>{{jsxref("Array.prototype.forEach()")}}</li> + <li>{{jsxref("Array.prototype.every()")}}</li> + <li>{{jsxref("Array.prototype.some()")}}</li> + <li><a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...of">for...of</a></li> + <li><a href="/en-US/docs/Web/JavaScript/Reference/Iteration_protocols">Iteration protocols</a></li> +</ul> |