Bug 170964 - Uncaught Exception: TypeError: null is not an object (evaluating 'event.relatedTarget.isDescendant')
Summary: Uncaught Exception: TypeError: null is not an object (evaluating 'event.relat...
Status: RESOLVED INVALID
Alias: None
Product: WebKit
Classification: Unclassified
Component: Web Inspector (show other bugs)
Version: WebKit Nightly Build
Hardware: All All
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-04-18 13:46 PDT by Aaron Chu
Modified: 2023-03-29 14:38 PDT (History)
1 user (show)

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Description Aaron Chu 2017-04-18 13:46:26 PDT 
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Inspected URL:        file:///Volumes/Home/aaronchu/Work/reduced-test-cases/video/voiceover_video_issue.html
Loading completed:    true
Frontend User Agent:  Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/604.1.18+ (KHTML, like Gecko)

Uncaught Exceptions:
 - TypeError: null is not an object (evaluating 'event.relatedTarget.isDescendant') (at CSSStyleDeclarationSection.js:694:32)
    _handleBlur @ CSSStyleDeclarationSection.js:694:32
    _handleBlur @ [native code]
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* STEPS TO REPRODUCE
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* NOTES
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Comment 1 Alexey Proskuryakov 2017-04-18 18:42:14 PDT 
> Inspected URL:        file:///Volumes/Home/aaronchu/Work/reduced-test-cases/video/voiceover_video_issue.html

The file is not attached.

What were you doing when this happened? Is the issue reproducible?
Comment 2 Aaron Chu 2017-04-19 16:22:08 PDT 
I was inspecting the computed CSS Rules of a control inside a shadow DOM, but I am unable to reproduce anymore.