FF150 Relnote: VisualViewport scrollend event#44292
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May 29, 2026
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| {{APIRef("CSSOM view API")}} | ||
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| The **`VisualViewport`** interface of the [CSSOM view API](/en-US/docs/Web/API/CSSOM_view_API) represents the visual viewport for a given window. For a page containing iframes, each iframe, as well as the containing page, will have a unique window object. Each window on a page will have a unique `VisualViewport` representing the properties associated with that window. |
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FYI this is a template-only change to push some of the info below the fold into a Description section. No content changes.
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@hamishwillee, again, just one small suggestion for you to consider before merging ;-)
| In other words, you can't use this method to create a {{domxref("Sanitizer")}} that will replace the `<html>` element with its inner content. ([Firefox bug 2022176](https://bugzil.la/2022176)). | ||
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| - The [`scrollend` event](/en-US/docs/Web/API/VisualViewport/scrollend_event) is now supported on {{domxref("VisualViewport")}}, allowing elements to be updated when a scrolling action is completed. | ||
| This might be used, for example, to adjust the position of fixed UI elements once a user finishes panning around a pinch-zoomed screen. |
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| This might be used, for example, to adjust the position of fixed UI elements once a user finishes panning around a pinch-zoomed screen. | |
| This might be used, for example, to unhide or otherwise adjust the position of fixed UI elements once a user finishes panning around a pinch-zoomed screen. |
Maybe? I can imagine that you'd hide UI elements while scrolling around a map, say, and then use this to unhide them when the scrolling operation has finished.
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FF150 added support for the
scrollendevent in https://bugzilla.mozilla.org/show_bug.cgi?id=1801658This adds a release note.
Related docs work can be tracked in #43968