ViewTimeline: endOffset property

Baseline 2026
Newly available

Since October 2026, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

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The endOffset read-only property of the ViewTimeline interface returns a CSSNumericValue representing the ending (100% progress) scroll position of the timeline as an offset from the start of the overflowing section of content in the scroller.