Answer & Solution
Answer: Option A
Solution:
typeof null returns 'object', which is a historical bug in JavaScript.
Q
What will be the output of typeof null in JavaScript?
Related Questions on Average
What does typeof window.evaluate evaluate to in JavaScript?
A). function
B). object
C). string
D). undefined
How does the instanceof operator behave with primitive values in JavaScript?
A). Throws an error
B). Returns true for all primitive values
C). Returns false for all primitive values
D). Primitive values cannot be used with instanceof
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A). boolean
B). number
C). string
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A). 1
B). 0
C). null
D). undefined
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A). 1
B). 0
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A). symbol
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C). string
D). null
What will be the output of typeof {} in JavaScript?
A). object
B). array
C). null
D). undefined
What is the result of typeof undefined in JavaScript?
A). undefined
B). string
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D). object
How does JavaScript evaluate typeof 'Hello'?
A). string
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C). undefined
D). null
What is the result of typeof NaN in JavaScript?
A). number
B). NaN
C). undefined
D). string