Answer & Solution
Answer: Option A
Solution:
The typeof operator returns 'symbol' for values created with the Symbol function.
Q
What is the result of typeof Symbol('id')?
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What will typeof [1, 2, 3] return?
A). array
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C). number
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What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
What is the output of typeof function() {}?
A). function
B). object
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Which method can be used to convert a string to a number in JavaScript?
A). parseInt()
B). toString()
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A). number
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What is the data type of true in JavaScript?
A). String
B). Boolean
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What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error
Which symbol is used to denote a string template literal?
A). ''
B).
C). ``
D). {}
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A). toString()
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What is the data type of 42 in JavaScript?
A). String
B). Boolean
C). Number
D). Object