Open Bug 721468 Opened 13 years ago Updated 3 years ago

Cmd+R causes a js event handler to be run which takes more than 100ms

Categories

(Firefox :: Tabbed Browser, defect)

Product:
Firefox
Component:
Tabbed Browser
Platform:
x86
macOS
Type:
defect

Tracking

()

People

(Reporter: ehsan.akhgari, Unassigned)

Details

(Whiteboard: [Snappy:P2])

STR: 1. Install about:jank. 2. Open a simple page, like about: 3. Press Cmd+R and keep holding it. After a short while, JS::CallEventHandler gets to the top of the list, which tells me that we have an event handler somewhere which takes more than a 100ms to run. Not sure where I should file this, but CCing Neil who knows things about XUL and Dao who knows things about the tabbbrowsr.xml implementation.
Whiteboard: [Snappy] → [Snappy:P2]
Severity: normal → S3
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