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 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 (123.456).toFixed(1) return?
A). 4
B). 5
C). 45
D). 123
What is the result of isNaN('Hello')?
A). 1
B). 0
C). NaN
D). undefined
Which method can convert a number to a different base (e.g., hexadecimal)?
A). toString()
B). parseInt()
C). toFixed()
D). valueOf()
Which method converts a string to a floating point number?
A). parseFloat()
B). toFixed()
C). toPrecision()
D). Number()
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()
What is the output of (255).toString(2)?
A). 255
B). 11111111
C). ff
D). 10
What does Number.isInteger(123.45) return?
A). 1
B). 0
C). NaN
D). undefined