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 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
Which method returns a number in exponential notation?
A). toFixed()
B). toExponential()
C). toPrecision()
D). toString()
Which method converts a string to a floating point number?
A). parseFloat()
B). toFixed()
C). toPrecision()
D). Number()
What does (123.456).toFixed(1) return?
A). 4
B). 5
C). 45
D). 123
What does Number('123') return?
A). 123
B). 123
C). NaN
D). 23
What does isFinite(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 is the result of parseInt('0xF', 16)?
A). 15
B). 0
C). NaN
D). 16
What does parseFloat('12.34abc') return?
A). 12
B). 34
C). NaN
D). undefined
What does Number('123abc') return?
A). 123
B). NaN
C). 123abc
D). undefined