ViewTimeline: subject property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

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The subject read-only property of the ViewTimeline interface returns a reference to the subject element whose visibility within its nearest ancestor scrollable element (scroller) is driving the progress of the timeline.

Value

An Element.

Examples

See the main ViewTimeline page for an example.

Specifications

Browser compatibility

See also

• Web Animations API
• CSS scroll-driven animations
• ViewTimeline
• AnimationTimeline, ScrollTimeline