使用javascript產生guid

參考來源: http://note19.com/2007/05/27/javascript-guid-generator/

javascript

1. function guid() {
2.     function S4() {
3.         return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
4.     }
5.     return (S4() + S4() + "-" + S4() + "-" + S4() + "-" + S4() + "-" + S4() + S4() + S4());
6. }