Q
What is the keyword used to declare a constant variable in JavaScript?

Answer & Solution

Answer: Option A
Solution:
The const keyword is used to declare a constant variable with block-level scope.
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What is the purpose of the break keyword in JavaScript?

A). To terminate a loop

B). To skip a loop iteration

C). To handle exceptions

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Which keyword is used to handle exceptions in JavaScript?

A). try

B). handle

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Which keyword is used to define a class in JavaScript?

A). class

B). defineClass

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A). break

B). exit

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D). halt

Which keyword is used to terminate a loop iteration in JavaScript?

A). next

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Which keyword is used to define a function in JavaScript?

A). function

B). func

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D). funcDef

Which keyword is used to handle code execution after a specified time interval in JavaScript?

A). wait

B). delay

C). execute

D). setTimeout

What is the purpose of the yield keyword in JavaScript?

A). To pause and resume a generator function

B). To stop the execution of a function

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What is the purpose of the instanceof keyword in JavaScript?

A). To check if a variable is defined

B). To determine the type of an object

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What is the purpose of the arguments keyword in JavaScript?

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