When a program contains extensive use of event handlers, which of the following is necessary?
A. Modular functions
B. Nested functions
C. Split up programs
D. All of the mentioned
Answer: Option B
Solution(By Examveda Team)
Nested functions are common in client-side JavaScript, because of its extensive use of event handlers.Related Questions on Server Side and Client Side Scripting
What are the events generated by the Node objects called?
A. generators
B. emitters
C. dispatchers
D. highevents
What is the function used to deregister event handler ‘f’?
A. deleteAllListeners(name)
B. deleteListener(name,f)
C. removerListener(name,f)
D. removeAllListeners(name)
What is the function used to remove all handlers for name events?
A. deleteAllListeners(name)
B. deleteListener(name,f)
C. removerListener(name,f)
D. removeAllListeners(name)
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