JS can math.random end on 1 code example
Example 1: javascript random number between 0 and 10
Math.floor(Math.random() * 10);
Example 2: js random int
function getRandomInt(min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1)) + min;
}