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('123') return?

A). 123

B). 123

C). NaN

D). 23

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

A). 255

B). 11111111

C). ff

D). 10

What does parseFloat('12.34abc') return?

A). 12

B). 34

C). NaN

D). undefined

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

A). 1

B). 0

C). NaN

D). undefined

What does (123.456).toFixed(1) return?

A). 4

B). 5

C). 45

D). 123

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

A). 15

B). 0

C). NaN

D). 16

Which method returns the primitive value of a Number object?

A). toString()

B). valueOf()

C). toFixed()

D). parseFloat()

What is the result of isNaN('Hello')?

A). 1

B). 0

C). NaN

D). undefined

How do you format a number to two decimal places?

A). toFixed(2)

B). toExponential(2)

C). toPrecision(2)

D). toString(2)

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

A). 5

B). 11

C). 10

D). NaN