Remove captured focus feature check - #9285
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sebmarkbage merged 1 commit intoMar 30, 2017
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IE8 was the only browser that did not support captured focus. We no longer have that constraint.
aweary
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Mar 30, 2017
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mrizwanashiq
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Jun 25, 2026
IE8 was the only browser that did not support captured focus. We no longer have that constraint.
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IE8 was the only browser that did not support captured focus. We no
longer have that constraint.
Simpler to my last PR.
Testing Methodology
I extracted the feature check from React into a CodePen:
http://codepen.io/nhunzaker/pen/xqQdgj
From there, I ran the "debug" view in every single browser via BrowserStack.
Results
YES
IE9
FF 3
Chrome 15
Opera 10.6
Yandex 14.12
Safari 4 - Windows
Safari 4 - Mac
Windows Phone 8.1
iOS 4.3.2
Android 4
NO
IE8