Which method can convert a number to a different base (e.g., hexadecimal)?
A). toString()
B). parseInt()
C). toFixed()
D). valueOf()
Which method returns a number in exponential notation?
A). toFixed()
B). toExponential()
C). toPrecision()
D). toString()
What does Number('123') return?
A). 123
B). 123
C). NaN
D). 23
What does the method parseInt('10.5') return?
A). 5
B). 11
C). 10
D). NaN
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 (123.456).toFixed(1) return?
A). 4
B). 5
C). 45
D). 123
What is the result of parseInt('0xF', 16)?
A). 15
B). 0
C). NaN
D). 16
Which method would you use to check if a value is a finite number?
A). isNaN()
B). isFinite()
C). Number()
D). toFixed()
Which method returns the primitive value of a Number object?
A). toString()
B). valueOf()
C). toFixed()
D). parseFloat()