function getNumber(max) { return Math.floor(Math.random() * Math.floor(max)); } code example

Example 1: js random number

var random;
var max = 8
function findRandom() {
  random = Math.floor(Math.random() * max) //Finds number between 0 - max
  console.log(random)
}
findRandom()

Example 2: random number in js

Math.random() returns a random number in [0,1)