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HTML <dialog> open Attribute

❮ HTML <dialog> tag


Using the <dialog> element:

<dialog open>This is an open dialog window</dialog>
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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.

Browser Support

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

open 37.0 79.0 53.0* Not supported 24.0

* Not supported by default, but can be enabled in about:config (set dom.dialog_element.enabled to true).


<dialog open>

❮ HTML <dialog> tag