[Webkit-unassigned] [Bug 152540] New: <select mutiple> not firing change event when mouse is released outside

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=152540

            Bug ID: 152540
           Summary: <select mutiple> not firing change event when mouse is
                    released outside
    Classification: Unclassified
           Product: WebKit
           Version: Safari 9
          Hardware: Macintosh
                OS: Mac OS X 10.11
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Event Handling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yyx990803 at gmail.com

Live reproduction URL: https://jsfiddle.net/yyx990803/19yco4nv/

Steps to reproduce the problem:
1. Create a <select> element with the "multiple" attribute;
2. Drag over multiple options in the select box and release the mouse outside of it.

What is the expected behavior?
The <select> element should have fired a "change" event.

What went wrong?
The "change" event is not fired.

Behavior in other browsers:
- All other browsers except Chrome for Windows fire the "change" event correctly.
- Chrome for Windows fails the fire the event under stricter conditions. See Chromium issue: https://code.google.com/p/chromium/issues/detail?id=571927

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