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diff --git a/files/pt-br/web/events/blur/index.html b/files/pt-br/web/events/blur/index.html new file mode 100644 index 0000000000..7eb9263be2 --- /dev/null +++ b/files/pt-br/web/events/blur/index.html @@ -0,0 +1,154 @@ +--- +title: blur (evento) +slug: Web/Events/blur +translation_of: Web/API/Element/blur_event +--- +<p>O evento <code>blur</code> é acionado quando um elemento perde foco. A diferença principal entre este evento e <a href="/en-US/docs/Mozilla_event_reference/focusout"><code>focusout</code></a> é que apenas o segundo 'borbulha'.</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;"><a class="external" href="http://www.w3.org/TR/DOM-Level-3-Events/#event-type-blur">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;">Elemento</dd> + <dt style="float: left; text-align: right; width: 120px;">Ação padrão</dt> + <dd style="margin: 0 0 0 120px;">Nenhuma</dd> +</dl> + +<p>{{NoteStart}}O valor de {{domxref("Document.activeElement")}} varia entre navegadores enquanto este evento é processado ({{bug(452307)}}): O IE10 define-o para o elemento para onde o foco moverá, enquanto Firefox e Chrome muitas vezes definem-o para o <code>body</code> do documento.{{NoteEnd}}</p> + +<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="Delegação_do_evento">Delegação do evento</h2> + +<p>Existem duas maneiras de implementar a delegação de eventos para este evento: usando o evento <code>focusout</code> nos navegadores que suportam-o, ou definindo o parâmetro "useCapture" do <a href="/en-US/docs/DOM/element.addEventListener"><code>addEventListener</code></a> para <code>true</code>:</p> + +<h3 id="Conteúdo_HTML">Conteúdo HTML </h3> + +<pre class="brush:html;"><form id="form"> + <input type="text" placeholder="text input"> + <input type="password" placeholder="password"> +</form></pre> + +<h3 id="Conteúdo_JavaScript">Conteúdo JavaScript</h3> + +<pre class="brush: js">var form = document.getElementById("form"); +form.addEventListener("focus", function( event ) { + event.target.style.background = "pink"; +}, true); +form.addEventListener("blur", function( event ) { + event.target.style.background = ""; +}, true);</pre> + +<p>{{EmbedLiveSample('Event_delegation')}}</p> + +<h2 id="Compatibilidade_entre_navegadores">Compatibilidade entre navegadores</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>Suporte básico</td> + <td>5</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}<sup>[1]</sup></td> + <td>6</td> + <td>12.1</td> + <td>5.1</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>Edge</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Suporte básico</td> + <td>4.0</td> + <td>53</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>10.0</td> + <td>12.1</td> + <td>5.1</td> + </tr> + </tbody> +</table> +</div> + +<p>[1] Antes do Gecko 24 {{geckoRelease(24)}} a interface para este elemento era {{domxref("Event")}}, não {{domxref("FocusEvent")}}. Veja ({{bug(855741)}}).</p> + +<h2 id="Eventos_relacionados">Eventos relacionados</h2> + +<ul> + <li>{{event("focus")}}</li> + <li>{{event("blur")}}</li> + <li>{{event("focusin")}}</li> + <li>{{event("focusout")}}</li> +</ul> |