Cacher is the code snippet organizer for pro developers

function createUUID() {
     var s = [];
    var hexDigits = "0123456789abcdef";
    for (var i = 0; i < 36; i++) {
        s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
    }
//    s[14] = "4";  // bits 12-15 of the time_hi_and_version field to 0010
//    s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);  // bits 6-7 of the clock_seq_hi_and_reserved to 01
 //   s[8] = s[13] = s[18] = s[23] = "-";

    var uuid = s.join("");
    return uuid.toUpperCase();
}