Q
What will be the output of typeof {} in JavaScript?

Answer & Solution

Answer: Option A
Solution:
typeof {} returns 'object'.
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What is the output of typeof function(){} in JavaScript?

A). function

B). object

C). undefined

D). null

How does the typeof operator handle arrays in JavaScript?

A). array

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A). 1

B). 0

C). NaN

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How does the instanceof operator work in JavaScript?

A). Checks if an object has a specific prototype in its prototype chain.

B). Checks if two variables are of the same type.

C). Checks if a variable is null.

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What is the output of typeof Symbol('id') in JavaScript?

A). symbol

B). object

C). string

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What does typeof new Date() evaluate to in JavaScript?

A). date

B). object

C). string

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What will be the output of typeof null in JavaScript?

A). object

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What does the typeof operator return for an undefined variable?

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What does Number('123') return in JavaScript?

A). 123

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