tuor4eg

const moving = (element, emptyCell) => {
  const oldNode = element.childNodes[0];

  element.removeChild(oldNode);
  element.setAttribute('class', 'p-3 table-active');

  emptyCell.setAttribute('class', 'p-3');
  emptyCell.append(oldNode);
  return;
};

tuor4eg

export default () => {
  // BEGIN (write your solution here)
  const makeActive = (element) => {
    const link = element.getAttribute('href').substr(1);
    const currentTab = element.parentNode.parentNode.getElementsByClassName('nav-link active')[0];
    const currentLink = currentTab.getAttribute('href').substr(1);
    const currentDiv = document.getElementById(link);
    const findDiv = document.getElementById(link);
    currentDiv.setAttribute('class', 'tab-pane');
    findDiv.setAttribute('class', 'tab-pane active');

tuor4eg

const readFileAsync = file => new Promise((resolve, reject) => {
  fs.readFile(file, (err, data) => err ? reject(err) : resolve(data));
});

const records = async () => {
  const readBook = await readFileAsync('phonebook.txt');
  const count = readBook.toString().split('\n').length - 1;
  return `Welcome to The Phonebook\nRecords count: ${count}`;
};

tuor4eg

БЫЛО:

const getToken = body => body.match(/value="(\w+)"/)[1];

export default (registrationFormUrl, submitFormUrl, nickname, callback) => {
  // BEGIN (write your solution here)
  const {protocol, hostname, path, pathname, port} = url.parse(submitFormUrl);
  http.get(registrationFormUrl, res => {
  const body = [];
  res.on('data', chunk => {

tuor4eg

export default (backendUrl, currentUrl) => {
  return new Promise((resolve, reject) => {
    get(backendUrl)
    .then(response => {
      if (response.status !== 200) {
        reject(new Error(response.status));
      return;
    }
      const parseJs = JSON.parse(response.data);
      Promise.all(parseJs.map(element => {

tuor4eg

export default (queryPar) => {
  const postData = querystring.stringify(queryPar.data);
  const { protocol, hostname, pathname, port, query } = url.parse(queryPar.url, true);
  const options = {
    protocol,
    host: hostname,
    path: `${pathname}${getSearch(query, queryPar.params)}`,
    port,
    method: queryPar.method,
    headers: {

tuor4eg

const noop = () => {};

const once = (fn) => {
  let called = false;

  return (...args) => {
    if (called) return;
    called = true;
    fn(...args);
  };

tuor4eg

const noop = () => {};

const once = (fn) => {
  let called = false;

  return (...args) => {
    if (called) return;
    called = true;
    fn(...args);
  };

tuor4eg

const propertyActions = [
  {
    name: 'body',
    check: arg => typeof arg === 'string',
  },
  {
    name: 'children',
    check: arg => arg instanceof Array,
  },
  {

tuor4eg

const getAttr = (attrib) => {
  if (attrib.length === 0) {
    return [];
  }
  const keys = Object.keys(attrib);
  return keys.map(element => ` ${element}="${attrib[element]}"`).join('');
};

const makeObj = {
  tag: [],