Answer & Solution
Answer: Option B
Solution:
The isFinite() method determines whether a value is a finite number.
Q
Which method would you use to check if a value is a finite number?
Related Questions on Average
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()
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 Number.isInteger(123.45) return?
A). 1
B). 0
C). NaN
D). undefined
What does parseFloat('12.34abc') return?
A). 12
B). 34
C). NaN
D). undefined
What is the result of isNaN('Hello')?
A). 1
B). 0
C). NaN
D). undefined
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()