Answer & Solution
Answer: Option A
Solution:
The typeof operator returns 'undefined' for the undefined value.
Q
What is the result of typeof undefined?
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What is the data type of 42 in JavaScript?
A). String
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C). Number
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A). 1
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How do you declare a variable with an undefined value?
A). let x;
B). let x = '';
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A). 0
B).
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B).
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A). null
B). undefined
C). object
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What is the output of '5' + 3?
A). 8
B). 53
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A). Array
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