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author | Florian Merz <me@fiji-flo.de> | 2021-02-11 14:49:58 +0100 |
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committer | Florian Merz <me@fiji-flo.de> | 2021-02-11 14:49:58 +0100 |
commit | 68fc8e96a9629e73469ed457abd955e548ec670c (patch) | |
tree | 8529ab9fe63d011f23c7f22ab5a4a1c5563fcaa4 /files/pt-br/conflicting/web/javascript/reference/global_objects/promise | |
parent | 8260a606c143e6b55a467edf017a56bdcd6cba7e (diff) | |
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diff --git a/files/pt-br/conflicting/web/javascript/reference/global_objects/promise/index.html b/files/pt-br/conflicting/web/javascript/reference/global_objects/promise/index.html new file mode 100644 index 0000000000..d0be3d870c --- /dev/null +++ b/files/pt-br/conflicting/web/javascript/reference/global_objects/promise/index.html @@ -0,0 +1,114 @@ +--- +title: Promise.prototype +slug: Web/JavaScript/Reference/Global_Objects/Promise/prototype +translation_of: Web/JavaScript/Reference/Global_Objects/Promise +translation_of_original: Web/JavaScript/Reference/Global_Objects/Promise/prototype +--- +<div>{{JSRef("Global_Objects", "Promise")}}</div> + +<h2 id="Summary" name="Summary">Sumário</h2> + +<p>A propriedade <code><strong>Promise</strong></code><strong><code>.prototype</code></strong> representa o protótipo para o construtor {{jsxref("Promise")}}.</p> + +<div>{{js_property_attributes(0,0,0)}}</div> + +<h2 id="Description" name="Description">Descrição</h2> + +<p>{{jsxref("Promise")}} instância herdada de {{jsxref("Promise.prototype")}}. Você pode usar o objeto construtor para adicionar propriedades ou métodos para todas as instâncias de <code>Promise</code>.</p> + +<h2 id="Propriedades">Propriedades</h2> + +<dl> + <dt><code>Promise.prototype.constructor</code></dt> + <dd>Retorna a função que cria uma instância. Isso é a função padrão {{jsxref("Promise")}}.</dd> +</dl> + +<h2 id="Métodos">Métodos</h2> + +<dl> + <dt>{{jsxref("Promise.catch", "Promise.prototype.catch(onRejected)")}}</dt> + <dd>Adiciona um callback que trata rejeição para a promise e, retorna uma nova promise resolvendo o valor retornado do callback, se ele for chamado, ou para seu valor original de conclusão se a promise for realizada.</dd> + <dt>{{jsxref("Promise.then", "Promise.prototype.then(onFulfilled, onRejected)")}}</dt> + <dd>Adiciona os métodos de tratamento da realização e rejeição da promise e, retorna uma nova promise resolvendo para o valor do método chamado.</dd> +</dl> + +<h2 id="Especificações">Especificações</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('ES6', '#sec-promise.prototype', 'Promise.prototype')}}</td> + <td>{{Spec2('ES6')}}</td> + <td>Initial definition.</td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility">Browser compatibility</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>32</td> + <td>{{CompatGeckoDesktop(24.0)}} as <code>Future</code><br> + {{CompatGeckoDesktop(25.0)}} as <code>Promise</code> behind a flag[1]<br> + {{CompatGeckoDesktop(29.0)}} by default</td> + <td>{{CompatNo}}</td> + <td>19</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>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + <th>Chrome for Android</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatNo}}</td> + <td>{{CompatGeckoMobile(24.0)}} as <code>Future</code><br> + {{CompatGeckoMobile(25.0)}} as <code>Promise</code> behind a flag[1]<br> + {{CompatGeckoMobile(29.0)}} by default</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>iOS 8</td> + <td>32</td> + </tr> + </tbody> +</table> +</div> + +<p>[1] Gecko 24 has an experimental implementation of <code>Promise</code>, under the initial name of <code>Future</code>. It got renamed to its final name in Gecko 25, but disabled by default behind the flag <code>dom.promise.enabled</code>. <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=918806">Bug 918806</a> enabled Promises by default in Gecko 29.</p> + +<h2 id="See_also">See also</h2> + +<ul> + <li>{{jsxref("Promise")}}</li> +</ul> |