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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/values | |
parent | 1109132f09d75da9a28b649c7677bb6ce07c40c0 (diff) | |
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diff --git a/files/it/web/javascript/reference/global_objects/array/values/index.html b/files/it/web/javascript/reference/global_objects/array/values/index.html new file mode 100644 index 0000000000..f3019ef144 --- /dev/null +++ b/files/it/web/javascript/reference/global_objects/array/values/index.html @@ -0,0 +1,87 @@ +--- +title: Array.prototype.values() +slug: Web/JavaScript/Reference/Global_Objects/Array/values +translation_of: Web/JavaScript/Reference/Global_Objects/Array/values +--- +<div>{{JSRef}}</div> + +<p> </p> + +<p><code style=""><font face="Arial, x-locale-body, sans-serif"><span style="background-color: #ffffff;">Il metodo </span></font><strong>values()</strong></code> restituisce un nuovo oggetto <strong><code>Array Iterator</code></strong> che contiene i valori per ogni indice nell'array.</p> + +<p>{{EmbedInteractiveExample("pages/js/array-values.html")}}</p> + +<pre class="brush: js">var a = ['a', 'b', 'c', 'd', 'e']; +var iterator = a.values(); + +console.log(iterator.next().value); // a +console.log(iterator.next().value); // b +console.log(iterator.next().value); // c +console.log(iterator.next().value); // d +console.log(iterator.next().value); // e</pre> + +<h2 id="Sintassi">Sintassi</h2> + +<pre class="syntaxbox"><var>arr</var>.values()</pre> + +<h3 id="Valore_di_ritorno">Valore di ritorno</h3> + +<p>Un nuovo oggetto iteratore {{jsxref("Array")}}.</p> + +<h2 id="Esempi">Esempi</h2> + +<h3 id="Iterazione_utilizzando_il_for...of_loop">Iterazione utilizzando il <code><a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...of">for...of</a></code> loop</h3> + +<pre class="brush: js">var arr = ['a', 'b', 'c', 'd', 'e']; +var iterator = arr.values(); + +for (let letter of iterator) { + console.log(letter); +} +</pre> + +<p><strong>Array.prototype.values</strong> è una implementazionde di default di <strong>Array.prototype[Symbol.iterator]</strong>.</p> + +<pre>Array.prototype.values === Array.prototype[Symbol.iterator] //true</pre> + +<p><strong>TODO</strong>: please write about why we need it, use cases.</p> + +<h2 id="Specificazioni">Specificazioni</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + <tr> + <td>{{SpecName('ES2015', '#sec-array.prototype.values', 'Array.prototype.values')}}</td> + <td>{{Spec2('ES2015')}}</td> + <td>Definizione iniziale.</td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-array.prototype.values', 'Array.prototype.values')}}</td> + <td>{{Spec2('ESDraft')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility">Browser compatibility</h2> + +<div> + + +<p>{{Compat("javascript.builtins.Array.values")}}</p> +</div> + +<h2 id="See_also">See also</h2> + +<ul> + <li>{{jsxref("Array.prototype.keys()")}}</li> + <li>{{jsxref("Array.prototype.entries()")}}</li> + <li>{{jsxref("Array.prototype.forEach()")}}</li> + <li>{{jsxref("Array.prototype.every()")}}</li> + <li>{{jsxref("Array.prototype.some()")}}</li> +</ul> |