event.relatedTarget is undefined on Firefox

[mischizzle]

In src/js/events.js we create the relatedTarget like this (line 55)

// Handle which other element the event is related to
event.relatedTarget = event.fromElement === event.target ?
  event.toElement :
  event.fromElement;

The problem is that Firefox does not support event.fromElement. Therefore the above code will overwrite the correct relatedTarget with undefined.

Fix: Firefox does support relatedTarget (https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/relatedTarget). So it simply needs to check the existence of this property before setting it.

note: This issue has already been discussed in ES6ification pull request (https://github.com/videojs/video.js/pull/1976/files#r27894428).

[heff]

👍 Want to make a pull request for it?

[mischizzle]

Yep - working on it now :)

[mischizzle]

Tried to use contrib feature submit to do the pull request but ended up getting undefined so instead created it manually #2025

[heff]

Bah, sorry. The contrib steps are out of date.

On Thu, Apr 9, 2015 at 6:17 AM, Michelle Anderson notifications@github.com
wrote:

Tried to use contrib feature submit to do the pull request but ended up
getting undefined so instead created it manually #2025
#2025

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#2024 (comment).