math.random() * (max - min + 1) + min 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: Math.floor( Math.random () * (max - min + 1)) + min)

Math.floor( Math.random () * (max - min + 1)) + min)