From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:40:17 -0500
Subject: initial commit

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+---
+title: FormData.getAll()
+slug: Web/API/FormData/getAll
+translation_of: Web/API/FormData/getAll
+---
+<p>{{APIRef("XMLHttpRequest")}}</p>
+
+<p><code><strong>getAll()</strong></code>方法会返回该 {{domxref("FormData")}} 对象指定 key 的所有值。</p>
+
+<div class="note">
+<p><span style="font-size: 14px;"><strong>注意：</strong></span> 该方法在 <a href="/en-US/docs/Web/API/Web_Workers_API">Web Workers</a> 中可用。</p>
+</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="brush: js">formData.getAll(name);</pre>
+
+<h3 id="append()_Parameters" name="append()_Parameters">参数</h3>
+
+<dl>
+ <dt><code>name</code></dt>
+ <dd>一个 {{domxref("USVString")}} 表示要检索的 key 名称。</dd>
+</dl>
+
+<h3 id="返回">返回</h3>
+
+<p>一个 {{domxref("FormDataEntryValue")}} 数组。</p>
+
+<h2 id="示例">示例</h2>
+
+<p>下列代码会先创建一个空的 <code>FormData</code> 对象：</p>
+
+<pre class="brush: js">var formData = new FormData();</pre>
+
+<p>使用 {{domxref("FormData.append")}} 添加两个 <code>username 的值：</code></p>
+
+<pre class="brush: js">formData.append('username', 'Chris');
+formData.append('username', 'Bob');</pre>
+
+<p>下列 <code>getAll()</code> 方法会返回一个数组，包含了所有 <code>username</code> 的值：</p>
+
+<pre class="brush: js">formData.getAll('username'); // Returns ["Chris", "Bob"]</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">规范</th>
+   <th scope="col">状态</th>
+   <th scope="col">说明</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('XMLHttpRequest','#dom-formdata-getall','getAll()')}}</td>
+   <td>{{Spec2('XMLHttpRequest')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatChrome(50.0)}}</td>
+   <td>{{CompatGeckoDesktop("39.0")}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+  <tr>
+   <td>Available in web workers</td>
+   <td>{{CompatChrome(50.0)}}</td>
+   <td>{{CompatGeckoDesktop("39.0")}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatNo}}</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>Firefox Mobile (Gecko)</th>
+   <th>Firefox OS (Gecko)</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+   <th>Chrome for Android</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatChrome(50.0)}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatNo}}</td>
+   <td>
+    <p>{{CompatVersionUnknown}}</p>
+   </td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatChrome(50.0)}}</td>
+  </tr>
+  <tr>
+   <td>Available in web workers</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatChrome(50.0)}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatChrome(50.0)}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li>{{domxref("XMLHTTPRequest")}}</li>
+ <li><a href="/en-US/docs/DOM/XMLHttpRequest/Using_XMLHttpRequest" title="Using XMLHttpRequest">使用 XMLHttpRequest</a></li>
+ <li><a href="/en-US/docs/DOM/XMLHttpRequest/FormData/Using_FormData_Objects" title="DOM/XMLHttpRequest/FormData/Using_FormData_objects">使用 FormData 对象</a></li>
+ <li>{{HTMLElement("Form")}}</li>
+</ul>
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