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Other Objects

CSSStyleDeclaration

Dialog open Property

Dialog Object Reference Dialog Object

Example

Open a dialog window:

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

Try it yourself »

Definition and Usage

The open property sets or returns whether a dialog should be open or not.

This property reflects the <dialog> open attribute.

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

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

Browser Support

The open property is currently only supported in Opera 24+, Chrome 37+ and Safari 6.

Syntax

Return the open property:

dialogObject.open

Set the open property:

dialogObject.open=true|false

Property Values

Value	Description
true\|false	Specifies whether a dialog window should be open or not true - The dialog window is open false - Default. The dialog window is not open

Technical Details

Return Value:	A Boolean, returns true if the dialog window is open, otherwise it returns false

More Examples

Example

Find out if a dialog window is open or not:

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

The result of x will be:

true

Try it yourself »

Related Pages

HTML reference: HTML <dialog> open attribute

Dialog Object Reference

Dialog Object