Which method converts a number to a string?
A). toFixed()
B). toString()
C). valueOf()
D). parseFloat()
Which method can convert a number to a different base (e.g., hexadecimal)?
A). toString()
B). parseInt()
C). toFixed()
D). valueOf()
Which method returns the primitive value of a Number object?
A). toString()
B). valueOf()
C). toFixed()
D). parseFloat()
What does the method parseInt('10.5') return?
A). 5
B). 11
C). 10
D). NaN
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 is the result of parseInt('0xF', 16)?
A). 15
B). 0
C). NaN
D). 16
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 does Number.isInteger(123.45) return?
A). 1
B). 0
C). NaN
D). undefined