Q
What is the result of typeof undefined?

Answer & Solution

Answer: Option A
Solution:
The typeof operator returns 'undefined' for variables that are not initialized.
Related Questions on Average

What is the result of typeof new SyntaxError('syntax error')?

A). syntaxerror

B). object

C). function

D). undefined

What is the result of typeof NaN?

A). number

B). NaN

C). undefined

D). object

What is the result of typeof new Float64Array()?

A). float64array

B). array

C). object

D). undefined

What is the result of typeof document.getElementById('example')?

A). element

B). object

C). function

D). undefined

What does typeof function() {} return?

A). function

B). object

C). method

D). undefined

What does typeof true return?

A). number

B). boolean

C). undefined

D). object

What does typeof { name: 'John' } return?

A). object

B). array

C). function

D). undefined

What is the result of typeof window in a web browser environment?

A). window

B). object

C). function

D). undefined

What does typeof 42 return?

A). number

B). string

C). boolean

D). undefined

What is the result of typeof null?

A). null

B). undefined

C). object

D). number