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+---
+title: DragEvent.dataTransfer
+slug: Web/API/DragEvent/dataTransfer
+translation_of: Web/API/DragEvent/dataTransfer
+---
+<div>{{APIRef("HTML Drag and Drop API")}}</div>
+
+<p><code><strong>DataEvent.dataTransfer</strong></code> 屬性保留了拖曳操作中的資料(指向一個 {{domxref("DataTransfer")}} 物件)。</p>
+
+<p>此屬性為 {{readonlyInline}}。</p>
+
+<h2 id="語法">語法</h2>
+
+<pre class="syntaxbox">var <var>data</var> = <var>dragEvent</var>.dataTransfer;
+</pre>
+
+<h3 id="回傳值">回傳值</h3>
+
+<dl>
+ <dt><code>data</code></dt>
+ <dd>一個保存 {{domxref("DragEvent")}} 當中資料的 {{domxref("DataTransfer")}} 物件。</dd>
+</dl>
+
+<h2 id="範例">範例</h2>
+
+<p>This example illustrates accessing the drag and drop data within the {{event("dragend")}} event handler.</p>
+
+<pre class="brush: js">function process_data(d) {
+ // Process the data ...
+}
+
+dragTarget.addEventListener("dragend", function(ev) {
+ // Call the drag and drop data processor
+ if (ev.dataTransfer != null) process_data(ev.dataTransfer);
+ }, false);
+</pre>
+
+<h2 id="規範">規範</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>{{SpecName("HTML WHATWG", "interaction.html#dom-dragevent-datatransfer", "DragEvent.dataTransfer")}}</td>
+ <td>{{Spec2("HTML WHATWG")}}</td>
+ <td> </td>
+ </tr>
+ <tr>
+ <td>{{SpecName("HTML5.1", "editing.html#dom-dragevent-datatransfer", "DragEvent.dataTransfer")}}</td>
+ <td>{{Spec2("HTML5.1")}}</td>
+ <td>Initial definition</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="瀏覽器相容性">瀏覽器相容性</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<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 (WebKit)</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>4</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoDesktop("1.9.1")}}</td>
+ <td>10</td>
+ <td>12</td>
+ <td>3.1</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Android</th>
+ <th>Android Webview</th>
+ <th>Chrome for Android</th>
+ <th>Edge</th>
+ <th>Firefox Mobile (Gecko)</th>
+ <th>Firefox OS</th>
+ <th>IE Mobile</th>
+ <th>Opera Mobile</th>
+ <th>Safari Mobile</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatIE("10")}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>