Answer & Solution
Answer: Option B
Solution:
The toString(2) method converts the number 255 to its binary representation, which is '11111111'.
Q
What is the output of (255).toString(2)?
Related Questions on Average
What does Number.isNaN('123') return?
A). 1
B). 0
C). NaN
D). undefined
What is the result of isNaN('Hello')?
A). 1
B). 0
C). NaN
D). undefined
What does Number('123') return?
A). 123
B). 123
C). NaN
D). 23
How do you format a number to two decimal places?
A). toFixed(2)
B). toExponential(2)
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D). toString(2)
What does Number.isInteger(123.45) return?
A). 1
B). 0
C). NaN
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Which method would you use to check if a value is a finite number?
A). isNaN()
B). isFinite()
C). Number()
D). toFixed()
What does isFinite(123) return?
A). 1
B). 0
C). NaN
D). undefined
Which method converts a string to a floating point number?
A). parseFloat()
B). toFixed()
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D). Number()
What does (123.456).toFixed(1) return?
A). 4
B). 5
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Which method returns a number in exponential notation?
A). toFixed()
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D). toString()