function randomNum(minNum,maxNum){
var choices = maxNum - minNum + 1;
return Math.floor(Math.random() * choices + minNum);
}
var num = randomNum(2, 10);
alert(num); //2-10的随机数(包括2或10);
function randomNum(minNum,maxNum){
var choices = maxNum - minNum + 1;
return Math.floor(Math.random() * choices + minNum);
}
var num = randomNum(2, 10);
alert(num); //2-10的随机数(包括2或10);