摘要: Math.random():获取0~1随机数Math.floor() method rounds a number DOWNWARDS to the nearest integer, and returns the result. (小于等于 x,且与 x 最接近的整数。)其实返回值就是该数的整数位... 阅读全文
posted @ 2015-02-12 10:10 好好學習 阅读(5973) 评论(0) 推荐(0) 编辑