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没啥解释,比较鸡肋,就是用来生成随机数,所以就直接上代码了
- //线性同余生成器
- var rand = (function() {
- var today = new Date();
- var seed = today.getTime();
-
- function rnd() {
- seed = (seed * 9301 + 49297) % 233280;
- return seed / (233280.0);
-
- };
- return function rand(number) {
- return Math.ceil(rnd(seed) *
- number);
- };
- })();
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