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 a function in JavaScript?

A). function

B). func

C). define

D). funcDef

Which keyword is used to define a class in JavaScript?

A). class

B). defineClass

C). createClass

D). classDef

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

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

C). To create new instances of objects

D). To compare values

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 define a block of code with specific permissions in JavaScript?

A). permit

B). restrict

C). block

D). secure

Which keyword is used to handle asynchronous operations in JavaScript?

A). async

B). await

C). sync

D). delay

Which keyword is used to create a label in JavaScript?

A). mark

B). label

C). name

D). identifier

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

D). To define a new function

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