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| author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:42:52 -0500 |
|---|---|---|
| committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:42:52 -0500 |
| commit | 074785cea106179cb3305637055ab0a009ca74f2 (patch) | |
| tree | e6ae371cccd642aa2b67f39752a2cdf1fd4eb040 /files/pt-br/web/javascript/reference/global_objects/weakmap/set/index.html | |
| parent | da78a9e329e272dedb2400b79a3bdeebff387d47 (diff) | |
| download | translated-content-074785cea106179cb3305637055ab0a009ca74f2.tar.gz translated-content-074785cea106179cb3305637055ab0a009ca74f2.tar.bz2 translated-content-074785cea106179cb3305637055ab0a009ca74f2.zip | |
initial commit
Diffstat (limited to 'files/pt-br/web/javascript/reference/global_objects/weakmap/set/index.html')
| -rw-r--r-- | files/pt-br/web/javascript/reference/global_objects/weakmap/set/index.html | 85 |
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diff --git a/files/pt-br/web/javascript/reference/global_objects/weakmap/set/index.html b/files/pt-br/web/javascript/reference/global_objects/weakmap/set/index.html new file mode 100644 index 0000000000..854f8ea816 --- /dev/null +++ b/files/pt-br/web/javascript/reference/global_objects/weakmap/set/index.html @@ -0,0 +1,85 @@ +--- +title: WeakMap.prototype.set() +slug: Web/JavaScript/Reference/Global_Objects/WeakMap/set +translation_of: Web/JavaScript/Reference/Global_Objects/WeakMap/set +--- +<div>{{JSRef}}</div> + +<p>O método <strong><code>set()</code></strong> adiciona um novo elemento com a <code>chave</code> e o <code>valor</code> especificados em um objeto <code>WeakMap</code>.</p> + +<div>{{EmbedInteractiveExample("pages/js/weakmap-prototype-set.html")}}</div> + + + +<h2 id="Sintaxe">Sintaxe</h2> + +<pre class="syntaxbox"><code><em>wm</em>.set(chave, valor);</code></pre> + +<h3 id="Parâmetros">Parâmetros</h3> + +<dl> + <dt>chave</dt> + <dd>Obrigatório. A chave do elemento a ser adicionado no objeto <code>WeakMap</code>.</dd> + <dt>valor</dt> + <dd>Obrigatório. O valor do elemento a ser adicionado no objeto <code>WeakMap</code>.</dd> +</dl> + +<h3 id="Valor_de_retorno">Valor de retorno</h3> + +<p>O objeto <code>WeakMap</code>.</p> + +<h2 id="Exemplos">Exemplos</h2> + +<h3 id="Utilizando_o_método_set">Utilizando o método <code>set</code> </h3> + +<pre class="brush: js">var wm = new WeakMap(); +var obj = {}; + +// Adicionar novos elementos ao WeakMap +wm.set(obj, 'foo').set(window, 'bar'); // encadeável + +// Atualizar um elemento no WeakMap +wm.set(obj, 'baz'); +</pre> + +<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('ES2015', '#sec-weakmap.prototype.set', 'WeakMap.prototype.set')}}</td> + <td>{{Spec2('ES2015')}}</td> + <td>Initial definition.</td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-weakmap.prototype.set', 'WeakMap.prototype.set')}}</td> + <td>{{Spec2('ESDraft')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="Compatibilidade_de_navegadores">Compatibilidade de navegadores</h2> + + + +<p>{{Compat("javascript.builtins.WeakMap.set")}}</p> + +<h2 id="Notas_específicas_ao_Firefox">Notas específicas ao Firefox</h2> + +<ul> + <li>Antes do Firefox 33 {{geckoRelease("33")}}, <code>WeakMap.prototype.set</code> retornava <code>undefined</code> e, portanto, não era encadeável. Isso foi resolvido ({{bug(1031632)}}). O comportamento também podia ser encontrado no Chrome/v8 (<a href="https://code.google.com/p/v8/issues/detail?id=3410">issue</a>).</li> +</ul> + +<h2 id="Ver_também">Ver também</h2> + +<ul> + <li>{{jsxref("WeakMap")}}</li> + <li>{{jsxref("WeakMap.prototype.get()")}}</li> + <li>{{jsxref("WeakMap.prototype.has()")}}</li> +</ul> |
