摘要: function selectFrom(lowerVal, upperVal){//范围内有多少种取值let choices = upperVal - lowerVal +1; return Math.floor(Math.random()*choices + lowerVal);} 阅读全文
posted @ 2021-01-17 23:47 丶Charles丶 阅读(85) 评论(0) 推荐(0)