Javascript - CS - CSE Questions and Answers

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

deleteAllListeners(name)

deleteListener(name,f)

removerListener(name,f)

removeAllListeners(name)

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What is the function used to remove all handlers for name events?

deleteAllListeners(name)

deleteListener(name,f)

removerListener(name,f)

removeAllListeners(name)

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Which function is a synonym for on()?

addListener()

listeners()

once()

add()

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Which of the following is an event emitter?

once

process

listeners

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When do uncaught exceptions generate events?

When handlers are registered

When handlers are deregistered

When handler functions are called

When handlers do not have a matching catch clause

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Which among the following POSIX signals generate events?

SIGDOWN

SIGFLOAT

SIGINT

SIGSHORT

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What is the method used to pause “data” events?

s.pause();

s.stop();

s.halt();

s.wait();

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When the “end” event fires on EOF when no more data will arrive, which function is called?

s.on("data",f);

s.on("end",f);

s.on("error",f);

s.on("default",f);

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What will be the return value of the write() method when the Node cannot write the data immediately and has to buffer it internally?

True

False