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
How do you format a number to two decimal places?
A). toFixed(2)
B). toExponential(2)
C). toPrecision(2)
D). toString(2)
What does parseFloat('12.34abc') return?
A). 12
B). 34
C). NaN
D). undefined
What does toPrecision(3) do?
A). Formats a number to 3 decimal places
B). Returns a number in exponential notation
C). Returns a string with a number written with a specified length
D). Converts a number to a string
What does isFinite(123) return?
A). 1
B). 0
C). NaN
D). undefined
What does Number.isNaN('123') return?
A). 1
B). 0
C). NaN
D). undefined
What does Number.isInteger(123.45) return?
A). 1
B). 0
C). NaN
D). undefined
What does the method parseInt('10.5') return?
A). 5
B). 11
C). 10
D). NaN
What is the result of parseInt('0xF', 16)?
A). 15
B). 0
C). NaN
D). 16
What is the result of isNaN('Hello')?
A). 1
B). 0
C). NaN
D). undefined
Which method would you use to check if a value is a finite number?
A). isNaN()
B). isFinite()
C). Number()
D). toFixed()