Jquery event doesn't fire in any case

Question

So, here I want just to alert true, when window is closed ( I mean particullary tab in browser).

$(document).ready(function(){



});
$(window).unload(function(){
    alert('true'); });

tried $(window) also inside $(document).ready() , nothing.

Answer 1

You're very limited in what you can do in the context of window.unload . The browsers won't let you do anything to force the user to stay on the page, and that includes calling alert .

The best thing you're allowed to do is return a string from an onbeforeunload handler - the browser will display that to the user, along with a question like "Are you sure you want to leave this page?"