Answer & Solution
Answer: Option A
Solution:
The parseInt() function parses a string argument and returns an integer of the specified radix. parseInt('101', 2) returns 5 because '101' is 5 in binary.
Q
What does parseInt('101', 2) return?
Related Questions on Average
Which method returns the primitive value of a Number object?
A). toString()
B). valueOf()
C). toFixed()
D). parseFloat()
Which method converts a string to a floating point number?
A). parseFloat()
B). toFixed()
C). toPrecision()
D). Number()
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()
What does Number.isNaN('123') return?
A). 1
B). 0
C). NaN
D). undefined
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 is the result of parseInt('0xF', 16)?
A). 15
B). 0
C). NaN
D). 16
Which method returns a number in exponential notation?
A). toFixed()
B). toExponential()
C). toPrecision()
D). toString()
What does (123.456).toFixed(1) return?
A). 4
B). 5
C). 45
D). 123