身份证模11算法校验

export function isCnNewID(val) {
  var p = /^[1-9]\d{5}(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/
  var factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2]
  var parity = [1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2]
  var code = val.substring(17)
  if (p.test(val)) {
    var sum = 0
    for (var i = 0; i < 17; i++) {
      sum += val[i] * factor[i]
    }
    if (parity[sum % 11] == code.toUpperCase()) {
      return true
    }
  }
  return false
}