aboutsummaryrefslogtreecommitdiff
path: root/files/zh-tw/web/api/event/currenttarget/index.html
diff options
context:
space:
mode:
Diffstat (limited to 'files/zh-tw/web/api/event/currenttarget/index.html')
-rw-r--r--files/zh-tw/web/api/event/currenttarget/index.html70
1 files changed, 70 insertions, 0 deletions
diff --git a/files/zh-tw/web/api/event/currenttarget/index.html b/files/zh-tw/web/api/event/currenttarget/index.html
new file mode 100644
index 0000000000..2be9aeb4e7
--- /dev/null
+++ b/files/zh-tw/web/api/event/currenttarget/index.html
@@ -0,0 +1,70 @@
+---
+title: Event.currentTarget
+slug: Web/API/Event/currentTarget
+translation_of: Web/API/Event/currentTarget
+---
+<div>{{APIRef("DOM")}}</div>
+
+<p>{{domxref("Event")}} 介面的唯讀屬性 <code><strong>currentTarget</strong></code> 會標明事件指向(current target)、還有該事件所遍歷的 DOM。屬性總會指向當時處理該事件的事件監聽器所註冊的 DOM 物件,而 {{domxref("event.target")}} 屬性則是永遠指向觸發事件的 DOM 物件。</p>
+
+<h2 id="範例">範例</h2>
+
+<p><code>event.currentTarget</code> 在把相同的事件監聽器,附加到多個元素時,會出現很有趣的事情:</p>
+
+<pre class="brush: js">function hide(e){
+ e.currentTarget.style.visibility = "hidden";
+ // 在這個函式用於事件監聽器時: this === e.currentTarget
+}
+
+var ps = document.getElementsByTagName('p');
+
+for(var i = 0; i &lt; ps.length; i++){
+ ps[i].addEventListener('click', hide, false);
+}
+
+// 單擊四周的話 p 元素就會消失
+</pre>
+
+<h2 id="規範">規範</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th>規範</th>
+ <th>狀態</th>
+ <th>註解</th>
+ </tr>
+ <tr>
+ <td>{{SpecName("DOM WHATWG", "#dom-event-currenttarget", "Event.currentTarget")}}</td>
+ <td>{{Spec2("DOM WHATWG")}}</td>
+ <td></td>
+ </tr>
+ <tr>
+ <td>{{SpecName("DOM4", "#dom-event-currenttarget", "Event.currentTarget")}}</td>
+ <td>{{Spec2("DOM4")}}</td>
+ <td></td>
+ </tr>
+ <tr>
+ <td>{{SpecName("DOM3 Events", "#dfn-current-event-target", "current event target")}}</td>
+ <td>{{Spec2("DOM3 Events")}}</td>
+ <td></td>
+ </tr>
+ <tr>
+ <td>{{SpecName("DOM2 Events", "#Events-Event-currentTarget", "Event.currentTarget")}}</td>
+ <td>{{Spec2("DOM2 Events")}}</td>
+ <td>Initial definition</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="瀏覽器相容性">瀏覽器相容性</h2>
+
+
+
+<p>{{Compat("api.Event.currentTarget")}}</p>
+
+<h2 id="參見">參見</h2>
+
+<ul>
+ <li><a href="/zh-TW/docs/Web/API/Event/Comparison_of_Event_Targets">事件指向的比較</a></li>
+</ul>