版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/QinDaBao_/article/details/89203340
<script>
var arr = [1,2,3,5,6,7,8,9,10,12,13,14,15]
function roa(arr,c) //arr为可能出现的元素集合
{
var temp=new Array(); //temp存放生成的随机数组
for (i=0;i<c;i++){
var num=Math.floor(Math.random()*arr.length); //生成随机数num
temp.push(arr[num]); //获取arr[num]并放入temp
arr.splice(num,1);
}
return temp;
}
var a = roa(arr,5)
console.log(a)
</script>