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---
title: visibilitychange
slug: Web/API/Document/visibilitychange_event
translation_of: Web/API/Document/visibilitychange_event
---
<p>O evento <code>visibilitychange</code> é ativado quando o conteúdo de um separador se torna visível ou foi ocultado.</p>
<h2 id="Informação_geral">Informação geral</h2>
<dl>
<dt style="float: left; text-align: right; width: 120px;">Especificação</dt>
<dd style="margin: 0 0 0 120px;">{{SpecName("Page Visibility API")}}</dd>
<dt style="float: left; text-align: right; width: 120px;">Interface</dt>
<dd style="margin: 0 0 0 120px;">{{domxref("event")}}</dd>
<dt style="float: left; text-align: right; width: 120px;">Bubbles</dt>
<dd style="margin: 0 0 0 120px;">Sim</dd>
<dt style="float: left; text-align: right; width: 120px;">Cancelável</dt>
<dd style="margin: 0 0 0 120px;">Não</dd>
<dt style="float: left; text-align: right; width: 120px;">Destino</dt>
<dd style="margin: 0 0 0 120px;">{{domxref("Document")}}</dd>
<dt style="float: left; text-align: right; width: 120px;">Ação Predefinida</dt>
<dd style="margin: 0 0 0 120px;"> </dd>
<dd style="margin: 0 0 0 120px;">None</dd>
</dl>
<h2 id="Propriedades">Propriedades</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Propriedade</th>
<th scope="col">Tipo</th>
<th scope="col">Descrição</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>target</code> {{readonlyInline}}</td>
<td>{{domxref("EventTarget")}}</td>
<td>The event target (the topmost target in the DOM tree).</td>
</tr>
<tr>
<td><code>type</code> {{readonlyInline}}</td>
<td>{{domxref("DOMString")}}</td>
<td>The type of event.</td>
</tr>
<tr>
<td><code>bubbles</code> {{readonlyInline}}</td>
<td>{{jsxref("Boolean")}}</td>
<td>Whether the event normally bubbles or not.</td>
</tr>
<tr>
<td><code>cancelable</code> {{readonlyInline}}</td>
<td>{{jsxref("Boolean")}}</td>
<td>Whether the event is cancellable or not.</td>
</tr>
</tbody>
</table>
<h2 id="Exemplo">Exemplo</h2>
<pre class="brush:js;">document.addEventListener("visibilitychange", function() {
console.log( document.visibilityState );
});
</pre>
<h2 id="Especificações">Especificações</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Especificação</th>
<th scope="col">Estado</th>
<th scope="col">Comentário</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{SpecName('Page Visibility API','#sec-visibilitychange-event','visibilitychange')}}</td>
<td>{{Spec2('Page Visibility API')}}</td>
<td> </td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility" name="Browser_compatibility">Compatibilidade de navegador</h2>
<p>{{CompatibilityTable}}</p>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Funcionalidade</th>
<th>Chrome</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari (WebKit)</th>
</tr>
<tr>
<td>Suporte básico</td>
<td>13 {{property_prefix("webkit")}}<br>
33</td>
<td>{{CompatGeckoDesktop(10)}} {{property_prefix("moz")}}<br>
{{CompatGeckoDesktop(18)}}</td>
<td>10</td>
<td>
<p>12.10[1]</p>
</td>
<td>6.1</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Funcionalidade</th>
<th>Android</th>
<th>Firefox Mobile (Gecko)</th>
<th>IE Phone</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
</tr>
<tr>
<td>Suporte básico</td>
<td>4.4 {{property_prefix("webkit")}}</td>
<td>{{CompatGeckoMobile(10)}} {{property_prefix("moz")}}<br>
{{CompatGeckoMobile(18)}}</td>
<td>{{CompatUnknown}}</td>
<td>12.10 [1]</td>
<td>7</td>
</tr>
</tbody>
</table>
</div>
<p>[1] Doesn't fire the <code>visibilitychange</code> event when the browser window is minimized, nor set <code>hidden</code> to <code>true</code>.</p>
<h2 id="Consultar_também">Consultar também</h2>
<ul>
<li><a href="/pt-PT/docs/Web/API/Page_Visibility_API" title="DOM/Using_the_Page_Visibility_API">Utilização de Page Visibility API</a></li>
<li><a href="/pt-PT/docs/Web">Document.visibilityState</a></li>
</ul>
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