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HTML <dialog> Tag


Using the <dialog> element:

  <th>January <dialog open>This is an open dialog window</dialog></th>
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Definition and Usage

The <dialog> tag defines a dialog box or window.

The <dialog> element makes it easy to create popup dialogs and modals on a web page.

Browser Support

The numbers in the table specify the first browser version that fully supports the element.

<dialog> 37 Not supported Not supported Not supported 6.0 24 

Differences Between HTML 4.01 and HTML5

The <dialog> tag is new in HTML5.


= New in HTML5.

Attribute Value Description
open open Specifies that the dialog element is active and that the user can interact with it

Global Attributes

The <dialog> tag also supports the Global Attributes in HTML.

Event Attributes

The <dialog> tag also supports the Event Attributes in HTML.

Related Pages

HTML DOM reference: Dialog Object