Jake Wilson Jake Wilson - 1 year ago 128
HTML Question

IE8 alternative to window.scrollY?

I'm trying to determine how many pixels down I've scrolled using

. But this isn't supported in IE8. What is the safe, cross-browser alternative?

Answer Source

The cross-browser compatible version for window.scrollY is document.documentElement.scrollTop. Please see the 'Notes' section of this piece of Mozilla documentation for a full, detailed workaround in IE8 and before.

As mentioned here, pageYOffset is another alternative to window.scrollY (note though that this is only IE9+ compatible).

In regard to the link above, check Example 4 for a fully compatible way to get the scroll position (it even accounts for zoom as @adeneo mentioned!) using document.documentElement.scrollTop and document.documentElement.scrollLeft.

Here, try out the example for yourself!

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