It is used to represent a dialog box or other interactive component, such as a dismissible alert, inspector or subwindow.
It has an attribute open to indicate that the dialog is active and can be interacted with. When the open attribute is not set, the dialog shouldn't be shown to the user.
The tabindex attribute must not be used on the <dialog> element.
<form> elements can close a dialog if they have the attribute method="dialog". When such a form is submitted, the dialog closes with its returnValue property set to the value of the button that was used to submit the form.
The ::backdrop CSS pseudo-element can be used to style behind a <dialog> element when the dialog is displayed with HTMLDialogElement.showModal(). For example, to dim unreachable content behind the modal dialog.
There is a way to create a dialog from scratch and make them accessible.
- Type: block
- Self-closing: No
- Semantic value: No
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