Intent to Implement and Ship: Animation.pending

Skip to first unread message

Kevin Ellis

May 1, 2019, 2:08:18 PM5/1/19
to blink-dev, Stephen McGruer Specification: Add the pending attribute to the web animations API in compliance with the web animation spec ( A pending animation is waiting on an asynchronous operation that affects the play state. Adding support for this attribute does not affect the rendering or timing of animations, but simply exposes the signal. The attribute is used in testing and adding support fixes 30 WPT test failures. Adding the Animation.pending attribute fixes 30 WPT test failures for web animations.
Animation.pending has already shipped with Firefox and is under development in Safari. Firefox: Shipped ( Edge: No public signals Safari: In development ( Web developers: No signals
Yes Yes Animation.pending is covered by WPT tests in: * web-animations/interfaces/Animation * web-animations/timing-model/animations Lack of support for Animation.pending is a significant source of web animation tests failures (tracking bug:

Chris Harrelson

May 2, 2019, 10:40:57 AM5/2/19
to Kevin Ellis, blink-dev, Stephen McGruer

You received this message because you are subscribed to the Google Groups "blink-dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email to
To view this discussion on the web visit

Daniel Bratell

May 2, 2019, 12:17:32 PM5/2/19
to Kevin Ellis, Chris Harrelson, blink-dev, Stephen McGruer

To view this discussion on the web visit

/* Opera Software, Linköping, Sweden: CET (UTC+1) */

Yoav Weiss

May 2, 2019, 2:51:02 PM5/2/19
to Daniel Bratell, Kevin Ellis, Chris Harrelson, blink-dev, Stephen McGruer
Reply all
Reply to author
0 new messages