This jquery code snippet trigger an alert event when user scroll and reaches at middle of the page. Don't forget to add JQuery library before using this function.
Script
$(window).scroll(function () { if ($(window).scrollTop() > $(window).height() / 2) { alert('Reached at middle'); } });
Calling The Script
Script will be called automatically when you scroll and reach middle of the browser
Output
Alert Message 'Reached at middle'
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