HTMLDialogElement

Baseline 2022

Newly available

Since March 2022, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

实验性: 这是一项实验性技术
在将其用于生产之前,请仔细检查浏览器兼容性表格

HTMLDialogElement 接口提供操作<dialog> 元素的方法.。此接口的方法和属性继承自 HTMLElement 接口。

属性

继承自父接口, HTMLElement

名称 类型 描述
open Boolean 来自open HTML 属性,表示这个对话框可以进行互动。
returnValue DOMString 用户获取对话框的值

方法

继承自父接口, HTMLElement

名称和参数 类型 描述
close() void 关闭对话框。可选传入类型为 DOMString 的参数,用来更新对话框的 returnValue。
show() void 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 Element 或者 MouseEvent 的参数,用来定义对话框的显示位置。
showModal() void 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Element 或者 MouseEvent 的参数,用来定义对话框的显示位置。

Examples

Example 1

html
<!-- Anchor point example -->
<dialog id="bronteDialog">
  <p>That was part of a poem by Emily Brontë!</p>
</dialog>

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

<menu>
  <button id="showDialogButton">Show dialog</button>
</menu>

<script>
  (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);
    });
  })();
</script>

Example 2

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

<menu>
  <button id="updateDetails">Update details</button>
</menu>

<script>
  (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();
    });
  })();
</script>

规范

Specification
HTML Standard
# htmldialogelement

浏览器兼容性

BCD tables only load in the browser

See also

  • The HTML element implementing this interface: <dialog>.