Transition effect lingering after transition class removed

UNCONFIRMED
Unassigned

Status

()

P3
normal
UNCONFIRMED
a year ago
a year ago

People

(Reporter: yaodingyd, Unassigned)

Tracking

57 Branch
Points:
---

Firefox Tracking Flags

(firefox57 wontfix)

Details

(Reporter)

Description

a year ago
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36

Steps to reproduce:

Reduced test case: https://jsfiddle.net/7aftqaka/
Click on 'Add transition', and transition behaves differently with expected results:



Actual results:

In Firefox, transition persists as the original class still has effect.


Expected results:

Transition should stop once class which has transition duration gets removed. 

In Chrome and Safari, transition stops immediately.
Component: Untriaged → Layout
Product: Firefox → Core
Priority: -- → P3
status-firefox57: --- → wontfix
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