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

What will let x = null; console.log(typeof x); output in JavaScript?

A). Object

B). Null

C). Undefined

D). Number

Which data type represents an intentional absence of any value in JavaScript?

A). Null

B). Undefined

C). String

D). Number

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

A). Number

B). String

C). Boolean

D). Undefined

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

A). Number

B). Boolean

C). String

D). Undefined

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

A). String

B). Number

C). Array

D). Object

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

A). '5'

B). 5

C). '10'

D). 10

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

A). instanceof

B). typeof

C). isInstanceof

D). isTypeOf

What does NaN represent in JavaScript?

A). Not a Number

B). Infinity

C). Positive Infinity

D). Negative Infinity

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

A). Array

B). Symbol

C). Map

D). Tuple

What is the outcome of typeof undefined in JavaScript?

A). String

B). Undefined

C). Null

D). Number