---
title: HTMLDialogElement
slug: Web/API/HTMLDialogElement
tags:
  - API
  - HTML DOM
  - Interface
  - Reference
translation_of: Web/API/HTMLDialogElement
---
<div>{{ APIRef("HTML DOM") }}</div>

<p>{{ SeeCompatTable() }}</p>

<p><strong><code>HTMLDialogElement</code></strong>接口提供操作{{HTMLElement("dialog")}} 元素的方法.。此接口的方法和属性继承自 {{domxref("HTMLElement")}} 接口。</p>

<h2 id="属性">属性</h2>

<p><em>继承自父接口, {{domxref("HTMLElement")}}。</em></p>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">名称</th>
   <th scope="col">类型</th>
   <th scope="col">描述</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td><code>open</code></td>
   <td>{{domxref("Boolean")}}</td>
   <td>来自{{ htmlattrxref("open", "dialog") }} HTML 属性, 表示这个对话框可以进行互动.</td>
  </tr>
  <tr>
   <td><code>returnValue</code></td>
   <td>{{domxref("DOMString")}}</td>
   <td>用户获取对话框的值</td>
  </tr>
 </tbody>
</table>

<h2 id="方法">方法</h2>

<p><em>继承自父接口 , {{domxref("HTMLElement")}}。</em></p>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">名称和参数</th>
   <th scope="col">类型</th>
   <th scope="col">描述</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td><code>close()</code> {{ HTMLVersionInline(5) }}</td>
   <td><code>void</code></td>
   <td>关闭对话框。 可选传入类型为{domxref("DOMString")}}的参数,用来更新对话框的returnValue。</td>
  </tr>
  <tr>
   <td><code>show()</code> {{ HTMLVersionInline(5) }}</td>
   <td><code>void</code></td>
   <td>非模式化的显示这个对话框, 即:打开这个对话框之后依然可以和其他内容进行交互。 可选传入类型为 {{domxref("Element")}} 或者 {{domxref("MouseEvent")}} 的参数,用来定义对话框的显示位置。</td>
  </tr>
  <tr>
   <td><code>showModal()</code> {{ HTMLVersionInline(5) }}</td>
   <td><code>void</code></td>
   <td>模式化的显示这个对话框, 并且将会至于所有其他对话框的顶层(屏蔽其他对话框的交互)。 可选传入类型为{{domxref("Element")}} 或者 {{domxref("MouseEvent")}} 的参数, 用来定义对话框的显示位置。</td>
  </tr>
 </tbody>
</table>

<h2 id="Examples" name="Examples">Examples</h2>

<h3 id="Example_1">Example 1</h3>

<pre class="brush: html">&lt;!-- Anchor point example --&gt;
&lt;dialog id="bronteDialog"&gt;
  &lt;p&gt;That was part of a poem by Emily Brontë!&lt;/p&gt;
&lt;/dialog&gt;

&lt;blockquote&gt;
  &lt;p&gt;"Then art thou glad to seek repose?&lt;br&gt;
  Art glad to leave the sea,&lt;br&gt;
  And &lt;strong id="anchor"&gt;anchor&lt;/strong&gt; all thy weary woes&lt;br&gt;
  In calm Eternity?"&lt;/p&gt;
&lt;/blockquote&gt;

&lt;menu&gt;
  &lt;button id="showDialogButton"&gt;Show dialog&lt;/button&gt;
&lt;/menu&gt;

&lt;script&gt;
  (function() {
    var showDialogButton = document.getElementById('showDialogButton');

    // 'Show dialog' button opens dialog, anchored at third line of quote
    showDialogButton.addEventListener('click', function() {
      var bronteDialog = document.getElementById('bronteDialog');
      var anchorPoint = document.getElementById('anchor');
      bronteDialog.show(anchorPoint);
    });

  })();
&lt;/script&gt;
</pre>

<h3 id="Example_2">Example 2</h3>

<pre class="brush: html">&lt;!-- Simple pop-up dialog box, containing a form --&gt;
&lt;dialog id="favDialog"&gt;
  &lt;form method="dialog"&gt;
    &lt;section&gt;
      &lt;p&gt;&lt;label for="favAnimal"&gt;Favorite animal:&lt;/label&gt;
      &lt;select id="favAnimal" name="favAnimal"&gt;
        &lt;option&gt;&lt;/option&gt;
        &lt;option&gt;Brine shrimp&lt;/option&gt;
        &lt;option&gt;Red panda&lt;/option&gt;
        &lt;option&gt;Spider monkey&lt;/option&gt;
      &lt;/select&gt;&lt;/p&gt;
    &lt;/section&gt;
    &lt;menu&gt;
      &lt;button id="cancel" type="reset"&gt;Cancel&lt;/button&gt;
      &lt;button type="submit"&gt;Confirm&lt;/button&gt;
    &lt;/menu&gt;
  &lt;/form&gt;
&lt;/dialog&gt;

&lt;menu&gt;
  &lt;button id="updateDetails"&gt;Update details&lt;/button&gt;
&lt;/menu&gt;

&lt;script&gt;
  (function() {
    var updateButton = document.getElementById('updateDetails');
    var cancelButton = document.getElementById('cancel');

    // Update button opens a modal dialog
    updateButton.addEventListener('click', function() {
      document.getElementById('favDialog').showModal();
    });

    // Form cancel button closes the dialog box
    cancelButton.addEventListener('click', function() {
      document.getElementById('favDialog').close();
    });

  })();
&lt;/script&gt;
</pre>

<h2 id="Specifications" name="Specifications">规范</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{SpecName('HTML WHATWG', 'forms.html#the-dialog-element', '&lt;dialog&gt;')}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{SpecName('HTML5.1', 'interactive-elements.html#the-dialog-element', '&lt;dialog&gt;')}}</td>
   <td>{{Spec2('HTML5.1')}}</td>
   <td> </td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容性">浏览器兼容性</h2>

<p>{{CompatibilityTable}}</p>

<div id="compat-desktop">
<table class="compat-table">
 <tbody>
  <tr>
   <th>特性</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>37</td>
   <td>{{CompatNo()}} {{bug(840640)}}</td>
   <td>{{CompatNo()}}</td>
   <td>24</td>
   <td>{{CompatNo()}}</td>
  </tr>
  <tr>
   <td>Anchor points</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>特性</th>
   <th>Android</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>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
  </tr>
  <tr>
   <td>Anchor points</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
   <td>{{CompatNo()}}</td>
  </tr>
 </tbody>
</table>
</div>

<h2 id="See_also">See also</h2>

<ul>
 <li>The HTML element implementing this interface: {{ HTMLElement("dialog") }}.</li>
</ul>