Q
What is the purpose of the typeof keyword in JavaScript?

Answer & Solution

Answer: Option B
Solution:
The typeof keyword is used to determine the data type of a variable or expression.
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Which keyword is used to handle code execution after a specified time interval in JavaScript?

A). wait

B). delay

C). execute

D). setTimeout

What keyword is used to break out of a loop in JavaScript?

A). break

B). exit

C). stop

D). halt

What is the purpose of the arguments keyword in JavaScript?

A). To define function arguments

B). To pass arguments to a function

C). To access function arguments

D). To check if a variable is defined

Which keyword is used to define a function in JavaScript?

A). function

B). func

C). define

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

A). const

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D). constant

Which keyword is used to create a label in JavaScript?

A). mark

B). label

C). name

D). identifier

Which keyword is used to define a block of code with specific permissions in JavaScript?

A). permit

B). restrict

C). block

D). secure

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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D). To compare values

Which keyword is used to define an object in JavaScript?

A). object

B). defineObject

C). createObject

D). obj

What is the purpose of the yield keyword in JavaScript?

A). To pause and resume a generator function

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C). To yield control to another function

D). To return a value from a function