Q
What will be the result of typeof 'hello' in JavaScript?

Answer & Solution

Answer: Option A
Solution:
The typeof operator returns 'string' for string values in JavaScript.
Related Questions on Average

Which of the following is a primitive data type in JavaScript?

A). Object

B). Array

C). Function

D). Boolean

What will let x = '10'; let y = x - 5; console.log(y); output in JavaScript?

A). '5'

B). 5

C). '10'

D). 10

What is the outcome of typeof [1, 2, 3] in JavaScript?

A). String

B). Number

C). Array

D). Object

Which of the following is not a valid data type in JavaScript?

A). Array

B). Symbol

C). Map

D). Tuple

Which data type represents a block of reusable code in JavaScript?

A). String

B). Object

C). Function

D). Number

What will the following code snippet output: let a = 10; a += '5'; console.log(a); in JavaScript?

A). '105'

B). 105

C). 15

D). '15'

Which operator checks if an object is an instance of a specific object type in JavaScript?

A). instanceof

B). typeof

C). isInstanceof

D). isTypeOf

Which of these is a complex or reference data type in JavaScript?

A). Number

B). Boolean

C). Object

D). String

What is the data type of the value 42 in JavaScript?

A). String

B). Boolean

C). Number

D). Null

What is the result of 0 / 0 in JavaScript?

A). Infinity

B). 0

C). NaN

D). 1