Answer & Solution
Answer: Option B
Solution:
When a string is added to a number, the number is converted to a string, resulting in concatenation.
Q
What is the output of '5' + 3?
Related Questions on Average
Which of the following is a falsy value in JavaScript?
A). 0
B).
C). null
D). All of the above
What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error
What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
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Which operator checks both value and type for equality in JavaScript?
A). ==
B). !=
C). ===
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What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
Which function can convert a number to a string in JavaScript?
A). toString()
B). parseInt()
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D). Number()
What is the result of null === undefined?
A). 1
B). 0
C). Error
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Which of the following is not a primitive data type in JavaScript?
A). String
B). Number
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A). parseInt()
B). toString()
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What is the result of typeof Symbol('id')?
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