Get random number in Javascript

gistfile1.txt

function getRandomArbitrary(min, max) {
  return Math.random() * (max - min) + min;
}

function getRandomInt(min, max) {
  return Math.floor(Math.random() * (max - min + 1) + min);
}

function getRandomBetweenZeroAndOne() {
  return Math.round(Math.random());
}