What does Number('123') return?
A). 123
B). 123
C). NaN
D). 23
Which method would you use to check if a value is a finite number?
A). isNaN()
B). isFinite()
C). Number()
D). toFixed()
What does the method parseInt('10.5') return?
A). 5
B). 11
C). 10
D). NaN
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()
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('123abc') return?
A). 123
B). NaN
C). 123abc
D). undefined
What is the result of isNaN('Hello')?
A). 1
B). 0
C). NaN
D). undefined
Which method converts a number to a string?
A). toFixed()
B). toString()
C). valueOf()
D). parseFloat()