Stockholm Syndrome

anticaptcha.getBalance(async function(err, balance) {
  // ...
  const API_URL = 'https://api.vk.com/captcha.php?sid=405226711931&s=1';
  const body = await image2base64(API_URL).catch((error) => console.log(error));
  if (balance > 0) {
    anticaptcha.createImageToTextTask({
      case: true, // or params can be set for every captcha specially
      body
    },
    // ...
  }
});

String.prototype.toUpperCase = function() {
  let symbols = {}; 

  function add(a, b) {
    symbols[String.fromCharCode(a)] = String.fromCharCode(b);
  }

  function addRange(start, end, offset) {
    for (let i = start; i <= end; ++i) {
      add(i + offset, i);
    }
  }

  addRange(65, 90, 32);
  addRange(1040, 1071, 32);
  add(1105, 1025);

  let result = ''; 
  for (let i = 0, l = this.length; i < l; ++i) {
    result += symbols[this[i]] || this[i];
  }
  return result;
};

let str = 'съешь ещё этих мягких французских булок, да выпей чаю';
console.log(str.toUpperCase());

let showRemaining = () => {
  // ...
};

let phones = ['111-11-11', '555-55-55', '999-99-99'];
$('.phone').on('input', function() {
  for (let i = 0, l = phones.length; i < l; ++i) {
    if ($(this).val() === phones[i]) {
      $(this).val('');
      break;
    }
  }
});

['color', 'image'].forEach((item) => localStorage.removeItem(item));

var InventoryCalculate = await this.getCalculateInventory(Offer, details);

regex[1].replace(/<(.+?)>/g, (s, r) => {
  return r === 'br' ? s : '&lt;' + r + '&gt;';
});

function update() {
  $('#result').text(start_ves + ves_styaj + ves_dugi_40);
}

$('#styajki_calc').change(function() {
  // ...
  update(); 
});

$('#mosquito_calc').change(function() {
  // ... 
  update();
});

Object.entries(data.reduce((acc, curr) => {
  for (let key in curr) {
    acc[key] = acc[key] || {values: [curr[key]], count: 0};
    if (acc[key].values.includes(curr[key])) {
      acc[key].count++;
    } else {
      acc[key].values.push(curr[key]);
    }
  }
  return acc;
}, {})).reduce((acc, [key, {count}]) => ((acc[key] = count), acc), {});

data.reduce((acc, curr) => {
  for (let key in curr) {
    let item = acc.find((item) => item.key === key);
    if (!item) {
      item = {key, values: [curr[key]], count: 0};
      acc.push(item);
    }
    if (item.values.includes(curr[key])) {
      item.count++;
    } else {
      item.values.push(curr[key]);
    }
  }
  return acc;
}, []).reduce((acc, {key, count}) => ((acc[key] = count), acc), {});

jQuery.fn.buttonDisabled = function(type, callback) {
  ...
}

let phrases = ['банан', 'яблоко', 'апельсин', 'киви'];
phrases[Math.floor(Math.random() * phrases.length)]; // рандомный элемент

function Validator(criterias) {
  let items = criterias.map((item) => ({enabled: true, ...item}));


  this.toggleValidate = function(name, state) {
    let item = items.find((item) => item.name === name);
    if (item) {
      item.enabled = typeof state === 'undefined' ? !item.enabled : state;
    }
  }


  this.validate = function(value) {
    let valid = true;
    let errors = new Map();

    items.forEach((item) => {
      if (item.enabled && !item.check(value)) {
        valid = false; 
        errors.set(item.name, item.message(value));
      }   
    }); 

    return {valid, errors};
  }
}