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How I can capture event, close browser window, in jQuery or javascript ?
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To handle the browser tab close even in React: Use the useEffect hook to add an event listener. Listen for the beforeunload event. The beforeunload event is triggered when the tab is about to be unloaded.
A tab or window closing in a browser can be detected by using the beforeunload event. This can be used to alert the user in case some data is unsaved on the page, or the user has mistakenly navigated away from the current page by closing the tab or the browser.
The best way I found to reload the page without losing cookies, and remove cookies on window or tab close was to use ng-keydown to watch the F5 Keypress (KeyCode 116).
JavaScript provides an in-built function named close() to close the browser window that is opened by using window. open() method.
http://docs.jquery.com/Events/unload#fn
jQuery:
$(window).unload( function () { alert("Bye now!"); } ); or javascript:
window.onunload = function(){alert("Bye now!");} You're looking for the onclose event.
see: https://developer.mozilla.org/en/DOM/window.onclose
note that not all browsers support this (for example firefox 2)
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