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2 parents dda46e8 + bb06c28 commit 6e2f2a9Copy full SHA for 6e2f2a9
1 file changed
TypeMath/keyboard.ts
@@ -36,7 +36,7 @@ class Keyboard
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if (e.key !== undefined && e.key != " " && e.key.length == 1)
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key = e.key;
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- else if (e.hasOwnProperty("keyIdentifier")) // Webkit, Blink
+ else if ("keyIdentifier" in e) // Webkit, Blink
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{
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var id = <string> (<any> e).keyIdentifier;
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if (id in Keyboard.keyMapBlink)
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