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+---
+title: SpeechGrammar
+slug: Web/API/SpeechGrammar
+tags:
+ - API
+ - Experimental
+ - Fala
+ - Interface
+ - Referencia
+ - SpeechGrammar
+ - Web Speech API
+ - reconhecimento
+translation_of: Web/API/SpeechGrammar
+---
+<p>{{APIRef("Web Speech API")}}{{SeeCompatTable}}</p>
+
+<p>A interface <strong><code>SpeechGrammar</code></strong> da <a href="/en-US/docs/Web/API/Web_Speech_API">Web Speech API</a> representa um conjunto de palavras ou padrões de palavras, os quais, nós queremos que o serviço de reconhecimento reconheça.</p>
+
+<p>A gramática é definida usando <a class="external external-icon" href="http://www.w3.org/TR/jsgf/">JSpeech Grammar Format</a> (<strong>JSGF</strong>.) Outros formatos podem ser suportados no futuro.</p>
+
+<h2 id="Construtor">Construtor</h2>
+
+<dl>
+ <dt>{{domxref("SpeechGrammar.SpeechGrammar()")}}</dt>
+ <dd>Cria um novo objeto <code>SpeechGrammar</code>.</dd>
+</dl>
+
+<h2 id="Propriedades">Propriedades</h2>
+
+<dl>
+ <dt>{{domxref("SpeechGrammar.src")}}</dt>
+ <dd>Define e retorna a string contendo a gramática contida na instância do objeto <code>SpeechGrammar</code>.</dd>
+ <dt>{{domxref("SpeechGrammar.weight")}} {{optional_inline}}</dt>
+ <dd>Define e retorna o peso do objeto <code>SpeechGrammar</code>.</dd>
+</dl>
+
+<h2 id="Exemplos">Exemplos</h2>
+
+<pre class="brush: js">var grammar = '#JSGF V1.0; grammar colors; public &lt;color&gt; = aqua | azure | beige | bisque | black | blue | brown | chocolate | coral | crimson | cyan | fuchsia | ghostwhite | gold | goldenrod | gray | green | indigo | ivory | khaki | lavender | lime | linen | magenta | maroon | moccasin | navy | olive | orange | orchid | peru | pink | plum | purple | red | salmon | sienna | silver | snow | tan | teal | thistle | tomato | turquoise | violet | white | yellow ;'
+var recognition = new SpeechRecognition();
+var speechRecognitionList = new SpeechGrammarList();
+speechRecognitionList.addFromString(grammar, 1);
+recognition.grammars = speechRecognitionList;
+
+
+console.log(speechRecognitionList[0].src); // deveria retornar o mesmo conteúdo da variável grammar
+console.log(speechRecognitionList[0].weight); // deveria retornar 1 - o mesmo peso definido na linha 4.
+</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('Web Speech API', '#speechreco-speechgrammar', 'SpeechGrammar')}}</td>
+ <td>{{Spec2('Web Speech API')}}</td>
+ <td> </td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilidade_com_os_navegadores">Compatibilidade com os navegadores</h2>
+
+<div>
+
+
+<p>{{Compat("api.SpeechGrammar")}}</p>
+</div>
+
+<h2 id="Veja_também">Veja também</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/Web_Speech_API">Web Speech API</a></li>
+</ul>