Specification

https://html.spec.whatwg.org/multipage/interactive-elements.html#dom-dialog-requestclose

Description

The requestClose() method of the HTMLDialogElement interface requests to close the . An optional string may be passed as an argument, updating the returnValue of the dialog.

This method differs from the HTMLDialogElement.close() method by firing a cancel event before firing the close event. This allows authors to prevent the dialog from closing. This method exposes the same behavior as the dialog's internal close watcher.

Documentation

https://developer.mozilla.org/en-US/docs/Web/API/HTMLDialogElement/requestClose

Browser support

A new method requeatClose() was recently added to Dialog in Chrome 134 and Safari Tech Preview.