How to Reliably Capture Scroll Events on iOS Devices?

Efficient Scroll Event Capture on iOS Devices

Detecting scroll events on iOS devices can be challenging. Despite attempts using common methods like window.onscroll and document.onscroll, capturing these events on iPad remains elusive.

The Scroll Event Behavior on iOS

Unlike desktops and laptops, iOS devices handle scroll events differently. One-finger panning triggers an onscroll event only when panning ceases, and scrolling with two fingers behaves similarly.

Event Handler Installation

To successfully capture scroll events on iOS devices, the following methods are recommended:

window.addEventListener('scroll', function() { alert("Scrolled"); });
$(window).scroll(function() { alert("Scrolled"); });
window.onscroll = function() { alert("Scrolled"); };

By adhering to these event handling techniques, you can effectively capture scroll events on both iPhone and iPad, allowing for seamless scrolling functionality in your web applications.

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