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function generateSnils() {
  let snilsText;
  let hash;

  let leadZero = hash => (hash < 10 ? '0' : '') + hash;

  function calculateSnilsHash(snils){
    let snilsTextNumbers = snils.replace(/\D/g,'');

    if (!snilsTextNumbers.match(/^\d{9}/)) return -1;

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// :: string => false|true
function validationSnils(snils) {

  var leadZero = function(hash) {
    var hashNumber = Number(hash);
    return (hashNumber < 10 ? '0' : '') + hashNumber;
  }

  // input :: "111-111-111 11" => "11111111111"
  var snilsTextNumbers = snils.replace(/\D/g,'');

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'•'.charCodeAt().toString(16) // HTML::(&#x2022) CSS::(\2022)
String.fromCharCode(0x2022); // '•'

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function rgb2hex(rgb = 'rgba(1, 155, 255)') {
  return rgb.match(/(\d+)/ig).reduce((result, item) => {
    return result += ('0' + parseInt(item,10).toString(16)).slice(-2);
  }, '#')
}

rgb2hex() // "#019bff"

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div {
  width: 400px;
  height: 400px;
  margin: 100px auto;
  border: 1px solid #000;
  position: relative;
}

img {
  position: absolute;

dmjcomdem

function Todo(title, completed = false) {
  let object = {};
  object.__proto__ = Todo.prototype;
  this = object;  
  return this;
}

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const TodoList = (function() {
  /*
   * todos[{id, title, completed}, ...]
   */
  let todos = [];
  
  return class {
    constructor() {
      this.init();
    }

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npm view typescript versions --json

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function whichTransitionEvent(){
  var t,
      el = document.createElement("fakeelement");

  var transitions = {
    "transition"      : "transitionend",
    "OTransition"     : "oTransitionEnd",
    "MozTransition"   : "transitionend",
    "WebkitTransition": "webkitTransitionEnd"
  }

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if (old_key !== new_key) {
    Object.defineProperty(o, new_key, Object.getOwnPropertyDescriptor(o, old_key));
    delete o[old_key];
}