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authorFlorian Merz <me@fiji-flo.de>2021-02-11 14:49:58 +0100
committerFlorian Merz <me@fiji-flo.de>2021-02-11 14:49:58 +0100
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parent8260a606c143e6b55a467edf017a56bdcd6cba7e (diff)
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+---
+title: focus
+slug: Web/Events/focus
+translation_of: Web/API/Element/focus_event
+---
+<p>O evento <code>focus</code> é acionado assim que um elemento recebe um foco. O grande diferencial entre este evento e o evento <a href="/en-US/docs/Mozilla_event_reference/focusin"><code>focusin</code></a>, é que esse segundo "borbulha".</p>
+
+<h2 id="Informações_Gerais">Informações Gerais</h2>
+
+<dl>
+ <dt style="float: left; text-align: right; width: 120px;">Especificação</dt>
+ <dd style="margin: 0 0 0 120px;"><a class="external" href="http://www.w3.org/TR/DOM-Level-3-Events/#event-type-focus">DOM L3</a></dd>
+ <dt style="float: left; text-align: right; width: 120px;">Interface</dt>
+ <dd style="margin: 0 0 0 120px;">{{ domxref("FocusEvent") }}</dd>
+ <dt style="float: left; text-align: right; width: 120px;">Borbulha</dt>
+ <dd style="margin: 0 0 0 120px;">Não</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;">Alvo</dt>
+ <dd style="margin: 0 0 0 120px;">Element</dd>
+ <dt style="float: left; text-align: right; width: 120px;">Ação Padrão</dt>
+ <dd style="margin: 0 0 0 120px;">Nenhuma.</dd>
+</dl>
+
+<div class="note">Note: The interface was {{ domxref("Event") }} prior to Gecko 24 {{ geckoRelease(24) }}. ({{ bug(855741) }})</div>
+
+<h2 id="Propriedades">Propriedades</h2>
+
+<table class="standard-table">
+ <thead>
+ <tr>
+ <th scope="col">Property</th>
+ <th scope="col">Type</th>
+ <th scope="col">Description</th>
+ </tr>
+ </thead>
+ <tbody>
+ <tr>
+ <td><code>target</code> {{readonlyInline}}</td>
+ <td>{{domxref("EventTarget")}}</td>
+ <td>Event target (DOM element)</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>
+ <tr>
+ <td><code>relatedTarget</code> {{readonlyInline}}</td>
+ <td>{{domxref("EventTarget")}} (DOM element)</td>
+ <td>null</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Eventos_Delegados">Eventos Delegados</h2>
+
+<p>Existem 2 maneiras diferentes de implementações delegados a partir de um evento: por meio da utilização do evento  <code>focusin</code> que todos os browsers atuais suportam tão tecnologia (todos exceto o Firefox), ou por setando o parâmetro "useCapture" do elemento  <a href="/en-US/docs/DOM/element.addEventListener"><code>addEventListener</code></a>  como <code>true</code>:</p>
+
+<p>{{ EmbedLiveSample('Event_delegation', '', '', '', 'Web/Events/blur') }}</p>
+
+<p>(Exemplo de codigo do evento <a href="/en-US/docs/Web/Events/blur">blur (event)</a>)</p>
+
+<h2 id="Compatibilidade_de_Browser">Compatibilidade de Browser</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Chrome</th>
+ <th>Edge</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>
+ <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 for Android</th>
+ <th>Edge</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>{{CompatUnknown()}}</td>
+ <td>{{CompatUnknown()}}</td>
+ <td>{{CompatUnknown()}}</td>
+ <td>{{CompatUnknown()}}</td>
+ <td>{{CompatUnknown()}}</td>
+ <td>{{CompatUnknown()}}</td>
+ <td>{{CompatUnknown()}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="Eventos_Relacionais">Eventos Relacionais</h2>
+
+<ul>
+ <li>{{event("focus")}}</li>
+ <li>{{event("blur")}}</li>
+ <li>{{event("focusin")}}</li>
+ <li>{{event("focusout")}}</li>
+</ul>