title: Do we have any methods to prevent dialog box from appearing when the same dialog box is already opened?
body: <p>I'm trying to fix the multiple dialog box appearing issue, where upon pressing fn key, dialog box appears to get input from user.Whenever i press fn key,the dialog box appears even when one of same dialog box is already opened.Then user needs to press cancel multiple times to close this dialog box. So i need to prevent this multiple dialog box from appearing when it is already opened.Condition to open dialog box is written in Js</p>