What is the function used to deregister event handler ‚Äö√Ñ√�

1.	What is the function used to deregister event handler ‚Äö√Ñ√≤f‚Äö√Ñ√¥?$?
A.	deleteAllListeners(name)
B.	deleteListener(name,f)
C.	removerListener(name,f)
D.	removeAllListeners(name)
Answer» D. removeAllListeners(name)

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