Answer & Solution
Answer: Option C
Solution:
The parseInt() function parses a string and returns an integer. It stops parsing at the decimal point, so parseInt('10.5') returns 10.
Q
What does the method parseInt('10.5') return?
Related Questions on Average
How do you format a number to two decimal places?
A). toFixed(2)
B). toExponential(2)
C). toPrecision(2)
D). toString(2)
What does parseFloat('12.34abc') return?
A). 12
B). 34
C). NaN
D). undefined
Which method would you use to check if a value is a finite number?
A). isNaN()
B). isFinite()
C). Number()
D). toFixed()
What does toPrecision(3) do?
A). Formats a number to 3 decimal places
B). Returns a number in exponential notation
C). Returns a string with a number written with a specified length
D). Converts a number to a string
What does (123.456).toFixed(1) return?
A). 4
B). 5
C). 45
D). 123
What does parseInt('101', 2) return?
A). 5
B). 101
C). NaN
D). 2
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 can convert a number to a different base (e.g., hexadecimal)?
A). toString()
B). parseInt()
C). toFixed()
D). valueOf()
What does Number.isInteger(123.45) return?
A). 1
B). 0
C). NaN
D). undefined