How to activate a function before user close browser/tab?
97425
JavaScript, browsers, window close - send an AJAX request or run a script on window closing
86543
macOS windows requiring an explicit click to make active, before UI elements inside can be clicked
33657
Ability to change close reason before it gets closed
42895
Javascript : Change the function of the browser's back button
146547
Add delay before .hide() w/jQuery
113619
How to distinguish 'Window close button clicked (X)' vs. window.Close() in closing handler
141110
How can I automatically run an AppleScript on shutdown or logout?
32067
How to auto close LWC quick action from JavaScript?
73081
Is there a way in javascript to detect if the unload event is caused via a refresh, the back button, or closing the browser?
19358
Cancel/kill window.setTimeout() before it happens
120174
Clear cookies on browser close
156826
Confirm message on browser page close
117073
How to stop programs from opening my browser?
84250
Early exit from function?
5901
What exactly happens with the button "Leave Open" (previously "Do Not Close")?
77962
"Hold Cmd-Q to Quit" from Chrome
33269
Break javascript before an inline javascript redirect in Chrome