Methods

Question 1

toFixed()

Answer 1

method rounds the string to a specified number of decimals (returns a string)

let numbr = 123.123456
console.log(numbr.toFixed(3)// 123.123

Question 2

Math.round()

Answer 2

method rounds a number to the nearest integer

let a = 2.4
console.log(Math.round(a)//2

Question 3

Math.sqrt()

Answer 3

returns the square root of a number

let a = Math.sqrt(25)//5

Question 4

Math.floor()

Answer 4

this method rounds a number DOWN to the nearest integer

let a = Math.floor(25.90)//25

Question 5

join()

Answer 5

array.join(separator)