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
How do you format a number to two decimal places?
A). toFixed(2)
B). toExponential(2)
C). toPrecision(2)
D). toString(2)
What does isFinite(123) return?
A). 1
B). 0
C). NaN
D). undefined
What is the output of (255).toString(2)?
A). 255
B). 11111111
C). ff
D). 10
Which method converts a number to a string?
A). toFixed()
B). toString()
C). valueOf()
D). parseFloat()
Which method converts a string to a floating point number?
A). parseFloat()
B). toFixed()
C). toPrecision()
D). Number()
Which method returns a number in exponential notation?
A). toFixed()
B). toExponential()
C). toPrecision()
D). toString()
What does parseFloat('12.34abc') return?
A). 12
B). 34
C). NaN
D). undefined
What does the method parseInt('10.5') return?
A). 5
B). 11
C). 10
D). NaN