randomize a number within a range of humbers javascript 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: Generate random whole numbers javascript

var randomWholeNumber = Math.floor(Math.random() * 20);


function randomWholeNum() {

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

}

console.log(randomWholeNum());