()
| 55 | |
| 56 | // Version 4 (Random) UUID |
| 57 | function UUIDv4() { |
| 58 | return [ |
| 59 | hex(Math.random() * 0xffffffff, 8), |
| 60 | hex(Math.random() * 0xffff, 4), |
| 61 | '4' + hex(Math.random() * 0xfff, 3), |
| 62 | hex(Math.random() * 0x3fff | 0x8000, 4), |
| 63 | hex(Math.random() * 0xffffffff, 8) + hex(Math.random() * 0xffff, 4), |
| 64 | ] |
| 65 | .join('-') |
| 66 | .toUpperCase(); |
| 67 | } |
| 68 | |
| 69 | function hex(value, count) { |
| 70 | if (value < 0) { |