What is the function used to deregister event handler ‘f’?

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What is the function used to deregister event handler ‘f’?

asked Oct 23, 2021 in Education by JackTerrance

What is the function used to deregister event handler ‘f’? (a) deleteAllListeners(name) (b) deleteListener(name,f) (c) removeListener(name,f) (d) removeAllListeners(name) This question was addressed to me in an interview for internship. This is a very interesting question from Server-Side JavaScript topic in chapter Server-Side and Client-Side Scripting of JavaScript Select the correct answer from above options JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

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JackTerrance · Answer 1 · 2021-10-23T07:47:33+0000

The correct answer is (c) removeListener(name,f) Best explanation: The removeEventListener() method removes an event handler that has been attached with the addEventListener() method. The removeListeners(name,f) is used to deregister event handler f represented as : emitter.removeListener(name,f)