Which method converts a number to a string?

What does parseInt('101', 2) return?

A). 5

B). 101

C). NaN

D). 2

What does Number.isNaN('123') return?

A). 1

B). 0

C). NaN

D). undefined

Which method returns the primitive value of a Number object?

A). toString()

B). valueOf()

C). toFixed()

D). parseFloat()

What is the result of parseInt('0xF', 16)?

A). 15

B). 0

C). NaN

D). 16

What does the method parseInt('10.5') return?

A). 5

B). 11

C). 10

D). NaN

Which method returns a number in exponential notation?

A). toFixed()

B). toExponential()

C). toPrecision()

D). toString()

What is the output of (255).toString(2)?

A). 255

B). 11111111

C). ff

D). 10

What does Number('123') return?

A). 123

B). 123

C). NaN

D). 23

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