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HTML <dialog> open Attribute

HTML dialog Tag Reference HTML <dialog> tag

Example

Using the <dialog> element:

<table>
<tr>
  <th>January <dialog open>This is an open dialog window</dialog></th>
  <th>February</th>
  <th>March</th>
</tr>
<tr>
  <td>31</td>
  <td>28</td>
  <td>31</td>
</tr>
</table>

Try it yourself »

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The open attribute is currently supported only in Chrome, and Safari 6.


Definition and Usage

The open attribute is a boolean attribute.

When present, it specifies that the dialog element is active and that the user can interact with it.


Differences Between HTML 4.01 and HTML5

The <dialog> tag is new in HTML5.


Differences Between HTML and XHTML

In XHTML, attribute minimization is forbidden, and the open attribute must be defined as <dialog open="open">.


Syntax

<dialog open>


HTML dialog Tag Reference HTML <dialog> tag

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