What is the result of parseInt('0xF', 16)?
A). 15
B). 0
C). NaN
D). 16
Which method converts a number to a string?
A). toFixed()
B). toString()
C). valueOf()
D). parseFloat()
How do you format a number to two decimal places?
A). toFixed(2)
B). toExponential(2)
C). toPrecision(2)
D). toString(2)
What does Number.isNaN('123') return?
A). 1
B). 0
C). NaN
D). undefined
Which method returns a number in exponential notation?
A). toFixed()
B). toExponential()
C). toPrecision()
D). toString()
What is the output of (255).toString(2)?
A). 255
B). 11111111
C). ff
D). 10
What does (123.456).toFixed(1) return?
A). 4
B). 5
C). 45
D). 123
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