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.
Related Questions on Average

Which keyword is used to define an object in JavaScript?

A). object

B). defineObject

C). createObject

D). obj

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 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

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 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 define a class in JavaScript?

A). class

B). defineClass

C). createClass

D). classDef

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

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

A). wait

B). delay

C). execute

D). setTimeout