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 converts a string to a floating point number?
A). parseFloat()
B). toFixed()
C). toPrecision()
D). Number()
Which method can convert a number to a different base (e.g., hexadecimal)?
A). toString()
B). parseInt()
C). toFixed()
D). valueOf()
What does parseFloat('12.34abc') return?
A). 12
B). 34
C). NaN
D). undefined
What does Number.isInteger(123.45) return?
A). 1
B). 0
C). NaN
D). undefined
What does isFinite(123) return?
A). 1
B). 0
C). NaN
D). undefined
What does (123.456).toFixed(1) return?
A). 4
B). 5
C). 45
D). 123
What does Number('123abc') return?
A). 123
B). NaN
C). 123abc
D). undefined
What does Number('123') return?
A). 123
B). 123
C). NaN
D). 23
What is the result of parseInt('0xF', 16)?
A). 15
B). 0
C). NaN
D). 16