function makeid() { var text = ""; var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; ​ for (var i = 0; i < 5; i++) text += possible. charAt(Math. floor(Math. random() * possible. length)); ​ return text;