Math.random only doing 0 js code example

Example 1: javascript get random number in range

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

//usage example: getRandomNumberBetween(20,400);

Example 2: js generate random number

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