Михаил Р.

const parent = this.closest('.parent-selector');
const child = parent.querySelector(".b24-form-control-label");

Object.values(data)
  .flatMap(({ person }) => Object.values(person))
  .filter(({ age }) => age === 18)

// [ { name: "alex", age: 18 } ]

• нужны ли классы для динамического контента;
  
• как, если нужно, модифицировать структуру динамического контента.

<div class="text">
  <h1>Caption <small>Some Foo Bar</small></h1>
  <article>
    <p>Lorem ipsum...</p>
    <div class="text__p">Dolor sit...</div>
  </article>
</div>

.text h1, .text__title { /* main title styles */ }
.text h1>small, .text__sub-title { /* sub-title styles */ }
.text p, .text__p { /* paragraph styles */ }

INSERT INTO `mail` (`user`, `to`, `text`, `time`)
  SELECT 2, `id`, :text, :time
    FROM `users`
    WHERE `id`  != 2;

INSERT INTO `contacts` (`user`, `ho`, `delete`, `time`)
  SELECT *
    FROM (
      SELECT `id`, 2, 0, :time
        FROM `users`
        WHERE `id` != 2
      UNION ALL SELECT 2, `id`, 0, :time
        FROM `users`
        WHERE `id` != 2
    ) AS `t`
  ON DUPLICATE KEY UPDATE `delete` = 0, `time` = VALUES(`time`);

path := `c:\Program files\some program\program.exe`
// аналогично вызову в консоли start "c:\Program files\some data"
cmd := exec.Command("start", path)
......

// аналогично вызову в консоли "c:\Program files\some program\program.exe"
cmd := exec.Command(path)
......

// аналогично вызову в консоли some_prog.exe -flag1 value1 -flag2 value2
cmd := exec.Command("some_prog.exe", "-flag1", "value1", "-flag2", "value2")
......

function getDivisorsCnt(n){
    let counter = 0
    for (let val=1; val<=n; val++){
      if (n % val === 0 ){
        counter +=1
      }
    }
  return counter;
}
console.log(getDivisorsCnt(12))