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

Which method would you use to check if a value is a finite number?

A). isNaN()

B). isFinite()

C). Number()

D). toFixed()

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 isFinite(123) return?

A). 1

B). 0

C). NaN

D). undefined

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

Which method returns the primitive value of a Number object?

A). toString()

B). valueOf()

C). toFixed()

D). parseFloat()

Which method converts a number to a string?

A). toFixed()

B). toString()

C). valueOf()

D). parseFloat()

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

A). 4

B). 5

C). 45

D). 123