jQuery Show Alert Message while leaving from webpage

In this post i want to explain how to jQuery Show Alert Message while leaving from webpage.

beforeunload:
The beforeunload event is fired when the window, the document and its resources are about to be unloaded.

Let's have look.

Live DemoDownload Script

JQuery Function

<script type="text/javascript">
        $(function() {
            $(window).on('beforeunload', function() {
                return '';
            });
        });
</script>

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