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diff --git a/files/ca/web/javascript/reference/global_objects/weakset/has/index.html b/files/ca/web/javascript/reference/global_objects/weakset/has/index.html new file mode 100644 index 0000000000..b2074a9847 --- /dev/null +++ b/files/ca/web/javascript/reference/global_objects/weakset/has/index.html @@ -0,0 +1,113 @@ +--- +title: WeakSet.prototype.has() +slug: Web/JavaScript/Reference/Global_Objects/WeakSet/has +translation_of: Web/JavaScript/Reference/Global_Objects/WeakSet/has +--- +<div>{{JSRef}}</div> + +<p>El mètode <code><strong>has()</strong></code> retorna un booleà indicant si un objecte existeix o no en unmethod returns a boolean indicating whether an object exists in a <code>WeakSet</code> or not.</p> + +<h2 id="Sintaxi">Sintaxi</h2> + +<pre class="syntaxbox"><code><em>ws</em>.has(valor);</code></pre> + +<h3 id="Paràmetres">Paràmetres</h3> + +<dl> + <dt>valor</dt> + <dd>Necessari. L'objecte a comprovar la seva presència en <code>WeakSet</code>.</dd> +</dl> + +<h3 id="Valor_de_retorn">Valor de retorn</h3> + +<dl> + <dt>Booleà</dt> + <dd>Retorna <code>true</code> si un element amb el valor especificat existeix en l'objecte <code>WeakSet</code>; en el cas contrari retornarà <code>false</code>.</dd> +</dl> + +<h2 id="Exemples">Exemples</h2> + +<h3 id="Utilitzar_el_mètode_has">Utilitzar el mètode <code>has</code></h3> + +<pre class="brush: js">var ws = new WeakSet(); +var obj = {}; +ws.add(window); + +mySet.has(window); // retorna true +mySet.has(obj); // retorna 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-weakset.prototype.has', 'WeakSet.prototype.has')}}</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>36</td> + <td>{{CompatGeckoDesktop(34)}}</td> + <td>{{CompatNo}}</td> + <td>23</td> + <td>{{CompatNo}}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Característica</th> + <th>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>{{ CompatGeckoMobile(34) }}</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="Vegeu_també">Vegeu també</h2> + +<ul> + <li>{{jsxref("WeakSet")}}</li> + <li>{{jsxref("WeakSet.prototype.add()")}}</li> + <li>{{jsxref("WeakSet.prototype.delete()")}}</li> +</ul> |
