663220 - animationstart event not fired without animation-delay set.

Status: RESOLVED INVALID

(Core :: CSS Parsing and Computation, defect)

Description

[u382751]

User-Agent:       Opera/9.80 (Macintosh; Intel Mac OS X 10.6.7; U; en) Presto/2.8.131 Version/11.50
Build Identifier: 6.0.a2

The animationstart event does not seem to be fired in Firefox without an animation-delay. Webkit does fire this event with or without animation-delay set. 

Reproducible: Always

Steps to Reproduce:
1. Visit the url
2. Notice no animationstart text.
3. http://jsfiddle.net/nimbu/pHMgu/8/ has animationstart text

Actual Results:  
No animationevent fired

Expected Results:  
Animationstart event will be fired.

Comment 1

[Thomas Ahlblom]

Reproduced:
Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20100101 Firefox/5.0
Mozilla/5.0 (X11; Linux x86_64; rv:6.0a2) Gecko/20110609 Firefox/6.0a2
Mozilla/5.0 (X11; Linux x86_64; rv:7.0a1) Gecko/20110609 Firefox/7.0a1

WFM:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/534.24 (KHTML, like Gecko) Chrome/11.0.696.71 Safari/534.24

Comment 2

[Brian Birtles (:birtles, Feb 26~ parental leave)]

It appears that the problem is simply that the script doesn't add the event listener until *after* the event has been dispatched.

If I set the style and add the event listener immediately afterwards I see the event: http://jsfiddle.net/pHMgu/15/

I think this is invalid, Divya what do you think?