generate random number within range 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: typescript random number

/**
* Gets random int
* @param min 
* @param max 
* @returns random int - min & max inclusive
*/
getRandomInt(min, max) : number{
	min = Math.ceil(min);
	max = Math.floor(max);
	return Math.floor(Math.random() * (max - min + 1)) + min; 
}

Example 3: math.random every number no range

int jj = reader.nextInt();