function S4() { return (((1+Math.random())*0x10000)|0).toString(16).substring(1); } function guid() { return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4()); }
js 生成随机数
原文:https://www.cnblogs.com/zengpeng/p/11368634.html