Сергей Соколов

const diffHours = Math.ceil((endDate - startDate) / 36e5); // точно в бОльшую сторону округлять?
const days = Math.floor(diffHours / 24);
const hours = diffHours - days * 24;

console.log(`Срок аренды: ${days} дней и ${hours} часов`);

D = new Date();

D.setHours(D.getHours() + 12) // подвинули вперёд на 12 часов

(
(start, finish) => {
  const date = new Date(start);
  const dateFinish = new Date(finish);
  const result = [];

  while (date <= dateFinish) {
    result.push(date.toISOString());
    date.setHours(date.getHours() + 12);
  }
  return result;
}
)('2020-01-01T00:00:00+03:00', '2020-03-15T11:58:01+03:00')
/*
Array(149) [ "2019-12-31T21:00:00.000Z", "2020-01-01T09:00:00.000Z", "2020-01-01T21:00:00.000Z", "2020-01-02T09:00:00.000Z", "2020-01-02T21:00:00.000Z", "2020-01-03T09:00:00.000Z", "2020-01-03T21:00:00.000Z", "2020-01-04T09:00:00.000Z", "2020-01-04T21:00:00.000Z", "2020-01-05T09:00:00.000Z", … ]
*/

1. выбрать все с типом password;
   
2. пройти по ним циклом forEach()
   
3. внутри смотреть, есть ли уже атрибут maxlength;
   
4. если нет, добавить атрибут
   
5. выполнить alert() в любом случае
   

const pickProps = (object, ...keys) => keys.reduce((acc, c) => ({ ...acc, [c]: object[c] }), {});

let payload = {
  data: pickProps(
    this,
    'customer',
    'tool_type',
    'tool_brand',
    'tool_model',
    'tool_serial_code',
    'defect_type',
    'defect_description',
    'request_type',
    'request_description',
    'status'
  ),
}

smartblur = enable='between(t,10,3*60)',
curves    = enable='gte(t,3)' : preset=cross_process

Filters:
  T.. = Timeline support
  .S. = Slice threading
  ..C = Command support
  A = Audio input/output
  V = Video input/output
  N = Dynamic number and/or type of input/output
  | = Source or sink filter

 TSC colorchannelmixer V->V       Adjust colors by mixing color channels.
 T.C eq                V->V       Adjust brightness, contrast, gamma, and saturation.

function getLargestExpressionResult(a, b) {
  let x, max = a + b;

  x = a - b;
  if (x > max) max = x;

  x = a * b;
  if (x > max) max = x;

  x = a / b;
  if (x > max) max = x;

  return max;
}

const getLargestExpressionResult = (a, b) => '+-*/'
  .split('')
  .map(op => eval([+a, op, +b].join('')))
  .sort((a, b) => a - b)
  .pop();

const foo = () => (123321).toString();

foo() // "123321"