Stockholm Syndrome

const result = list.reduce((acc, curr) => {
  const val = Object.values(curr).sort((a, b) => a - b).toString(); 
  if (!acc.values.includes(val)) {
    acc.values.push(val);
    acc.filtered.push(curr); 
  }
  
  return acc;
}, {values: [], filtered: []}).filtered;

const result = str.match(/\[id\d+\|(.*?)\]/);
const nick = result[1];

const text = [...document.querySelectorAll('.company-item dd')];

const allowExtentions = ['doc', 'docx', 'odt', 'rtf', 'txt', 'pdf'];
$('#upload').fileapi({
  // ...
  filterFn: (file) => allowExtentions.includes(file.name.split('.').pop()) 
});

const span = document.querySelector('span'); 
document.querySelectorAll('button').forEach((btn) => btn.addEventListener('click', function() {
  this.parentNode.appendChild(span);
}));

const mapFields = (arr, fields) => arr.map((o) => 
  Object.entries(o).reduce((acc, [k, v]) => ({...acc, [fields[k] || k]: v}), {}));
  
const arr = [{
  a: 2, 
  b: 5, 
  c: 6
}, {
  d: 8, 
  e: 3, 
  f: 4
}];

const newArr = mapFields(arr, {
  b: 'e', 
  a: 'w', 
  f: 'v', 
  c: 'b'
});

cmd.hear(/^(?:передать|перевод)\s(\d+)\s(\d+)\s(.*)/i, async (ctx) => {
  const [, id, amount, reason] = ctx.$match;
  // ...
});

.sort((a, b) => a.categoryLevel - b.categoryLevel)

const groupData = (arr) => {
	return arr
		.sort((a, b) => a.categoryLevel - b.categoryLevel)
		.reduce((acc, curr) => {
			const {categoryLevel, parentCategoryId} = curr;
			const index = acc.findIndex((a) => 
				(a[categoryLevel - 1] || {}).categoryId === parentCategoryId);
			if (index !== -1) {
				acc[index][categoryLevel] = curr;
			} else {
				acc.push([curr]);
			}
			return acc;
		}, [])
		.map((a) => a.map((o) => o.name).join(' - '));
};

const findParents = (id, arr) => {
  for (let i = 0, l = arr.length; i < l; ++i) {
    const {category: {categoryId, categoryDescription}, children} = arr[i]; 
    const obj = {categoryId, categoryDescription};
    if (categoryId === id) {
      return [obj]; 
    } else {
      const result = findParents(id, children);
      if (result) {
        return [obj, ...result];
      }
    }
  }

  return null;
};

let index = 0; 
const items = data.response.items;
const timer = setInterval(() => {
  if (index === items.length) {
    clearInterval(timer);
    return;
  }
  
  $.ajax({
    url: '...?user_id=' + items[index].id + '...', 
    // ...
  });
  
  index++;
}, 2000);

fetch('service.json')
    .then(response => response.json())
    .then(answer => {
        const result = answer.services;
        // оперируйте данными здесь сколько душе угодно
    });

vk.updates.on('new_message', (ctx) => {
  if (ctx.messagePayload.button == 1) {
    // ...
  }
});