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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:42:52 -0500 |
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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/infinity/index.html | |
parent | da78a9e329e272dedb2400b79a3bdeebff387d47 (diff) | |
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diff --git a/files/pt-br/web/javascript/reference/global_objects/infinity/index.html b/files/pt-br/web/javascript/reference/global_objects/infinity/index.html new file mode 100644 index 0000000000..71831a3f35 --- /dev/null +++ b/files/pt-br/web/javascript/reference/global_objects/infinity/index.html @@ -0,0 +1,114 @@ +--- +title: Infinity +slug: Web/JavaScript/Reference/Global_Objects/Infinity +translation_of: Web/JavaScript/Reference/Global_Objects/Infinity +--- +<div> +<div> +<div>{{jsSidebar("Objects")}}</div> +</div> +</div> + +<h2 id="Summary" name="Summary">Sumário</h2> + +<p>A propriedade global <code><strong>Infinity</strong></code> é um valor numérico que representa infinito.</p> + +<p>{{js_property_attributes(0,0,0)}}</p> + +<h2 id="Syntax" name="Syntax">Sintaxe</h2> + +<pre class="syntaxbox"><code>Infinity </code></pre> + +<h2 id="Description" name="Description">Descrição</h2> + +<p><code>Infinity</code> é uma propriedade do <em>objeto global</em>, ou seja, é uma varíavel no escopo global.</p> + +<p>O valor inicial de <code>Infinity</code> é {{jsxref("Number.POSITIVE_INFINITY")}}. O valor <code>Infinity</code> (positivo) é maior do que qualquer outro número. Este valor se comporta matematicamente como infinito; por exemplo, qualquer número positivo multiplicado por <code>Infinity</code> é <code>Infinity</code>, e qualquer coisa dividida por <code>Infinity</code> é 0.</p> + +<p>Pela especificação ECMAScript 5, <code>Infinity</code> é somente leitura (implementado no JavaScript 1.8.5 / Firefox 4).</p> + +<h2 id="Especificações">Especificações</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Especificação</th> + <th scope="col">Status</th> + <th scope="col">Comentário</th> + </tr> + <tr> + <td>ECMAScript 1ª Edição.</td> + <td>Padrão</td> + <td>Definição inicial. Implementado no JavaScript 1.3</td> + </tr> + <tr> + <td>{{SpecName('ES5.1', '#sec-15.1.1.2', 'Infinity')}}</td> + <td>{{Spec2('ES5.1')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('ES6', '#sec-value-properties-of-the-global-object-infinity', 'Infinity')}}</td> + <td>{{Spec2('ES6')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="Compatibilidade">Compatibilidade</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>{{ CompatVersionUnknown() }}</td> + <td>{{ CompatVersionUnknown() }}</td> + <td>{{ CompatVersionUnknown() }}</td> + <td>{{ CompatVersionUnknown() }}</td> + <td>{{ CompatVersionUnknown() }}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Chrome para Android</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{ CompatVersionUnknown() }}</td> + <td>{{ CompatVersionUnknown() }}</td> + <td>{{ CompatVersionUnknown() }}</td> + <td>{{ CompatVersionUnknown() }}</td> + <td>{{ CompatVersionUnknown() }}</td> + <td>{{ CompatVersionUnknown() }}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="See_also" name="See_also">Veja também</h2> + +<ul> + <li>{{jsxref("Number.NEGATIVE_INFINITY")}}</li> + <li>{{jsxref("Number.POSITIVE_INFINITY")}}</li> +</ul> |