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Dialog open Attribute

Dialog Object

Example

Open the dialog window:

document.getElementById("myDialog").open = true;

Definition and Usage

The open attribute is used to set or return whether the dialog window is open.

This attribute reflects the <dialog> open attribute.

If this attribute is specified, it indicates that the dialog window is available for interaction.

Note: The <dialog> element is new in HTML5.


Browser Support

Note: Currently, only Chrome Canary and Safari 6 support the open attribute.

Note: Even if Chrome Canary supports the <dialog> element, you must enable the "Enable experimental Web Platform features" flag in the Chrome address bar by opening chrome://flags. After enabling, you need to restart Chrome.

Syntax

Return the open attribute:

Set the open attribute:

Attribute Values

Value Description
true|false Specifies whether the dialog window is open. true - The dialog window is open. false - Default. The dialog window is closed.

Technical Details

| Return Value: | Boolean, returns TRUE if the dialog window is open, otherwise returns FALSE. | | --- | --- |


More Examples

Example

Check if the dialog window is open:

var x = document.getElementById("myDialog").open;
true

Related Articles

HTML Reference: HTML <dialog> open Attribute


Dialog Object

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