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---
title: blur
slug: Web/Events/blur
translation_of: Web/API/Element/blur_event
---
<p><code>blur</code> 이벤트는 엘리먼트의 포커스가 해제되었을때 발생합니다. 이 이벤트와 <code><a href="/en-US/docs/Mozilla_event_reference/focusout">focusout</a></code> 이벤트의 가장 다른점은 <code><a href="/en-US/docs/Mozilla_event_reference/focusout">focusout</a></code> 은 이벤트 버블링이 발생합니다.</p>
<h2 id="General_info">General info</h2>
<dl>
<dt style="float: left; text-align: right; width: 120px;">Specification</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;">Bubbles</dt>
<dd style="margin: 0 0 0 120px;">No</dd>
<dt style="float: left; text-align: right; width: 120px;">Cancelable</dt>
<dd style="margin: 0 0 0 120px;">No</dd>
<dt style="float: left; text-align: right; width: 120px;">Target</dt>
<dd style="margin: 0 0 0 120px;">Element</dd>
<dt style="float: left; text-align: right; width: 120px;">Default Action</dt>
<dd style="margin: 0 0 0 120px;">None.</dd>
</dl>
<p>{{NoteStart}} 이 이벤트가 처리될때 {{domxref("Document.activeElement")}}의 값이 브라우저마다 다릅니다 ({{bug(452307)}}): IE10은 이 값을 포커스가 옮겨가는 엘리먼트에 추가하지만, 파이어폭스와 크롬은 도큐먼트의 <code>body</code> 에 추가합니다.{{NoteEnd}}</p>
<h2 id="Properties">Properties</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="이벤트_위임">이벤트 위임</h2>
<p>이 이벤트에 이벤트 위임을 적용하는 방법은 두가지가 있습니다 : 브라우저가 지원한다면 <code>focusout</code> 이벤트를 사용하거나, <code><a href="/en-US/docs/DOM/element.addEventListener">addEventListener</a></code>의 "useCapture" 파라미터를 <code>true</code>로 설정하세요:</p>
<h3 id="HTML_Content">HTML Content</h3>
<pre class="brush:html;"><form id="form">
<input type="text" placeholder="text input">
<input type="password" placeholder="password">
</form></pre>
<h3 id="JavaScript_Content">JavaScript Content</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="Browser_compatibility">Browser compatibility</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>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 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>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] Prior to Gecko 24 {{geckoRelease(24)}} the interface for this event was {{domxref("Event")}}, not {{domxref("FocusEvent")}}. See ({{bug(855741)}}).</p>
<h2 id="Related_Events">Related Events</h2>
<ul>
<li>{{event("focus")}}</li>
<li>{{event("blur")}}</li>
<li>{{event("focusin")}}</li>
<li>{{event("focusout")}}</li>
</ul>
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