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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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 typeof keyword in JavaScript?

A). To check if a variable is defined

B). To determine the data type of a variable

C). To create new variables

D). To delete variables

Which keyword is used to handle the final steps in error handling in JavaScript?

A). finally

B). end

C). last

D). complete

Which keyword is used to create a label in JavaScript?

A). mark

B). label

C). name

D). identifier

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

A). next

B). iterate

C). continue

D). terminate

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

C). To yield control to another function

D). To return a value from a function

What is the purpose of the super keyword in JavaScript?

A). To access parent class properties and methods

B). To create new instances of objects

C). To delete objects

D). To handle exceptions

Which keyword is used to define a function in JavaScript?

A). function

B). func

C). define

D). funcDef

Which keyword is used to create a new instance of an object?

A). instance

B). create

C). new

D). object

What is the purpose of the delete keyword in JavaScript?

A). To delete all variables

B). To remove an element from an array

C). To delete properties from an object

D). To delete functions