Fixed an issue #11853 - window.opera=null problem (#11854)
alisherdavronov committed
Dec 19, 2017 at 06:18 UTC
faa4218632ca21f3af731fb6c14849fc054fca15
1 file changed
+1
packages/react-dom/src/events/BeforeInputEventPlugin.js
+1
@@ -49,6 +49,7 @@ const useFallbackCompositionData =
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function isPresto() {
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const opera = window.opera;
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return (
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+ opera !== null &&
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typeof opera === 'object' &&
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typeof opera.version === 'function' &&
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parseInt(opera.version(), 10) <= 12