Q
Which method can convert a number to a different base (e.g., hexadecimal)?

Answer & Solution

Answer: Option A
Solution:
The toString() method can convert a number to a different base. For example, (255).toString(16) returns 'ff'.
Related Questions on Average

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

A). 1

B). 0

C). NaN

D). undefined

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

A). 15

B). 0

C). NaN

D). 16

What does isFinite(123) return?

A). 1

B). 0

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 Number.isInteger(123.45) return?

A). 1

B). 0

C). NaN

D). undefined

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

A). 5

B). 11

C). 10

D). NaN

Which method returns the primitive value of a Number object?

A). toString()

B). valueOf()

C). toFixed()

D). parseFloat()

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

What does parseFloat('12.34abc') return?

A). 12

B). 34

C). NaN

D). undefined