NEW 117092
unexpected undo behavior after changing input value programatically 
https://bugs.webkit.org/show_bug.cgi?id=117092
Summary unexpected undo behavior after changing input value programatically
John Firebaugh
Reported 2013-05-31 14:18:09 PDT
To reproduce: 1. Load http://jsfiddle.net/zAmy9/ 2. Select "1234" and press delete key 3. Click "Change Value" 4. Edit -> Undo Expected result: Either undo is disabled, or it produces a blank value (the previous state) Actual result: 67891234
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John Firebaugh
Comment 1 2013-05-31 14:19:54 PDT
Other unexpected behaviors can also be observed: 1. Insert "0" between 2 and 3 2. Click "Change Value" 3. Undo Result: 679
Ryosuke Niwa
Comment 2 2016-04-11 01:43:55 PDT
Confirmed on shipping Safari as well as Safari Technology Preview.
Radar WebKit Bug Importer
Comment 3 2016-04-11 01:44:46 PDT
<rdar://problem/25650777>
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