function createdUUID() {
  if (typeof crypto === 'object') {
    if (typeof crypto.randomUUID === 'function') {
      return crypto.randomUUID()
    }
    if (
      typeof crypto.getRandomValues === 'function' &&
      typeof Uint8Array === 'function'
    ) {
      const callback = (c) => {
        const num = Number(c)
        return (
          num ^
          (crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (num / 4)))
        ).toString(16)
      }
      return ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, callback)
    }
  }
  let timestamp = new Date().getTime()
  let perforNow =
    (typeof performance !== 'undefined' &&
      performance.now &&
      performance.now() * 1000) ||
    0
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
    let random = Math.random() * 16
    if (timestamp > 0) {
      random = (timestamp + random) % 16 | 0
      timestamp = Math.floor(timestamp / 16)
    } else {
      random = (perforNow + random) % 16 | 0
      perforNow = Math.floor(perforNow / 16)
    }
    return (c === 'x' ? random : (random & 0x3) | 0x8).toString(16)
  })
}