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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: FormData.values()
+slug: Web/API/FormData/values
+translation_of: Web/API/FormData/values
+---
+<p>{{APIRef("XMLHttpRequest")}}</p>
+
+<p><code><strong>FormData.values()</strong></code> 方法返回一个允许遍历该对象中所有值的 {{jsxref("Iteration_protocols",'迭代器')}} 。这些值是 {{domxref("USVString")}} 或是{{domxref("Blob")}} 对象。</p>
+
+<div class="note">
+<p><span style="font-size: 14px; line-height: 21px;"><strong>注意:</strong></span> 此方法在 <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="syntaxbox">formData.values();</pre>
+
+<h3 id="返回值">返回值</h3>
+
+<p>返回一个{{jsxref("Iteration_protocols","迭代器")}}.</p>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js;highlight:[7]">//创建一个FormData测试对象
+var formData = new FormData();
+formData.append('key1', 'value1');
+formData.append('key2', 'value2');
+
+//显示值
+for (var value of formData.values()) {
+ console.log(value);
+}
+</pre>
+
+<p>结果为:</p>
+
+<pre>value1
+value2</pre>
+
+<h2 id="规范">规范</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('XMLHttpRequest','#dom-formdata','values() (as iterator&lt;&gt;)')}}</td>
+ <td>{{Spec2('XMLHttpRequest')}}</td>
+ <td>Initial definition</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(44)}}</td>
+ <td>{{CompatUnknown}}</td>
+ <td>{{CompatUnknown}}</td>
+ <td>{{CompatUnknown}}</td>
+ </tr>
+ <tr>
+ <td>Available in web workers</td>
+ <td>{{CompatChrome(50.0)}}</td>
+ <td> </td>
+ <td> </td>
+ <td> </td>
+ <td> </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 Andorid</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatChrome(50.0)}}</td>
+ <td>{{CompatGeckoMobile(44)}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatUnknown}}</td>
+ <td>{{CompatUnknown}}</td>
+ <td>{{CompatUnknown}}</td>
+ <td>{{CompatChrome(50.0)}}</td>
+ </tr>
+ <tr>
+ <td>Available in web workers</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatChrome(50.0)}}</td>
+ <td> </td>
+ <td> </td>
+ <td> </td>
+ <td> </td>
+ <td> </td>
+ <td>{{CompatChrome(50.0)}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<p> </p>
+
+<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">Using XMLHttpRequest</a></li>
+ <li><a href="/en-US/docs/DOM/XMLHttpRequest/FormData/Using_FormData_Objects" title="DOM/XMLHttpRequest/FormData/Using_FormData_objects">Using FormData objects</a></li>
+ <li>{{HTMLElement("Form")}}</li>
+</ul>