How can I send an event from child window to its parent window
问题 My main goal is: Going to my application, open a link there in a new tab, make something in the new tab and send an event to the parent-main tab to refresh. I have learned 2 techniques that doesn't do exactly what I need: postMessage - works as far as I know only on iframe and not on tabs window.opener - works only with window.open(url) that opens only new window and not new tab. How can I pass an event from the child to the parent using tabs? I'd be happy for a specific example for