1function getRandomNumberBetween(min,max){
2    return Math.floor(Math.random()*(max-min+1)+min);
3}
4
5//usage example: getRandomNumberBetween(20,400); 
6

1function randomInRange(min, max) {  
2    return Math.floor(Math.random() * (max - min) + min); 
3} 

1function randomRange(min, max) {
2
3	return Math.floor(Math.random() * (max - min + 1)) + min;
4
5}
6
7console.log(randomRange(1,9));

1Math.floor(Math.random() * 10);

1function getRandomIntInclusive(min, max) {
2  min = Math.ceil(min);
3  max = Math.floor(max);
4  return Math.floor(Math.random() * (max - min + 1)) + min; //The maximum is inclusive and the minimum is inclusive 
5}

1function getRandomInt(min, max) {
2  min = Math.ceil(min);
3  max = Math.floor(max);
4  return Math.floor(Math.random() * (max - min)) + min; //The maximum is exclusive and the minimum is inclusive
5}
6