获取随机数，要求长度一致 

var randFinger=Math.random();
randFinger=randFinger+'0000000000'
randFinger=randFinger.slice(0,10)
console.log(randFinger)
//0.12345678小数点后8位哟

 

posted @ 2018-03-30 11:05  sunmarvell  阅读(185)  评论(0)  编辑  收藏  举报