Aves

function asyncLoop(fn, i, end) {
  if (i < end) fn(i, () => asyncLoop(fn, i + 1, end));
}

function worker(i, next) {
  client.hgetall('space' + i, (err, obj) => {
    if (err) return; // break
    next();
  });
}

asyncLoop(worker, 0, 9);

let p = Promise.resolve();
for (let i = 0; i < 9; i++) {
  p = p.then(() => new Promise((resolve, reject) => {
    client.hgetall('space' + i, (err, obj) => {
      if (err) reject(err); // break
      else resolve();
    });
  }));
}
p.catch(err => console.error(err));

<TestContent name={Test2} />
...
class TestContent extends Component {
  render() {
     var data={name:"какие-то данные для вывода в выбранном компоненте"};
     var Name = this.props.name;
    return(
      <div>
        <Name data={data} />
      </div>
    )
  }
}

{
  new Date()
    .toLocaleTimeString()
    .match(/[^:]+|:/g)
    .map((e, i) => e == ':' ? <span key={i}>:</span> : e)
}

const each = Function.prototype.call.bind(Array.prototype.forEach);

each(nodes.ellipsis, el => el.addEventListener('click', showHide));

var user = new Proxy(
  [],
  {
    get(target, i) {
      if (!target[i]) target[i] = {};
      return target[i];
    }
  }
);

user[1].name = 'Alex';
console.log(user[1].name);

const skins = {
  blue: "blue.css",
  brown: "brown.css",
  dark_cyan: "dark_cyan.css",
  dark_gray: "dark_gray.css",
  dark_red: "dark_red.css",
  green: "green.css",
  light_blue: "light_blue.css",
  light_green: "light_green.css",
  orange: "orange.css",
  pink: "pink.css",
  purple: "purple.css",
  red: "red.css",
  yellow: "yellow.css"
};

const theme = {
  skins,
  current: {
    skin: skins.blue
  }
};

module.exports = {
  theme,
  customization: {
    src: "src/styles/*",
    dist: "styles"
  },
  vendor: {
    theme: {
      bootstrap: "src/vendor/theme/html/bootstrap/css/bootstrap.css",
      "font-awesome": "src/vendor/theme/html/fonts/font-awesome/css/font-awesome.css",
      fontello: "src/vendor/theme/html/fonts/fontello/css/fontello.css",
      "rs-plugin-settings": "src/vendor/theme/html/plugins/rs-plugin/css/settings.css",
      "rs-plugin-extralayers": "src/vendor/theme/html/plugins/rs-plugin/css/extralayers.css",
      "magnific-popup": "src/vendor/theme/html/plugins/magnific-popup/magnific-popup.css",
      animations: "src/vendor/theme/html/css/animations.css",
      "owl-carousel": "src/vendor/theme/html/plugins/owl-carousel/owl.carousel.css",
      "core-style": "src/vendor/theme/html/css/style.css",
      skin: "src/vendor/theme/html/css/skins/" + theme.current.skin
    }
  },
  templates: {
    lp_v1: [
      "bootstrap", "font-awesome", "fontello", "rs-plugin-settings", "rs-plugin-extralayers", "magnific-popup",
      "animations", "owl-carousel", "core-style", "skin"
    ]
  }
};

getCounter(cb) {
    let xhr = new XMLHttpRequest();
    let api = 'https://vk.com/share.php?act=count&index=1&url=' + encodeURIComponent(this.url);
    
    xhr.open('GET', api, true);
    xhr.send();
    
    xhr.onreadystatechange = () => {
      if (this.readyState != 4) return;
      if (this.status != 200) {
        console.log('Vkontakte provider error: ' + (this.status ? this.statusText : 'response not send!'));
        return;
      }
      
      let obj = this.responseText.match(/^VK\.Share\.count\(\d, (\d+)\);$/)[1] / 1;
      cb(obj);
    }
  }

new Vkontakte().getCounter(count => console.log(count));

getCounter() {
    return new Promise((resolve, reject) => {
    let xhr = new XMLHttpRequest();
    let api = 'https://vk.com/share.php?act=count&index=1&url=' + encodeURIComponent(this.url);
    
    xhr.open('GET', api, true);
    xhr.send();
    
    xhr.onreadystatechange = () => {
      if (this.readyState != 4) return;
      if (this.status != 200) {
        console.log('Vkontakte provider error: ' + (this.status ? this.statusText : 'response not send!'));
        return;
      }
      
      let obj = this.responseText.match(/^VK\.Share\.count\(\d, (\d+)\);$/)[1] / 1;
      resolve(obj);
    }
  });
  }

new Vkontakte().getCounter().then(count => console.log(count));

const {get} = require('http');
const {Iconv} = require('iconv');
const {parseString} = require('xml2js');
const {inspect} = require('util');

get('http://www.cbr.ru/scripts/XML_daily.asp', res => {
  const data = [];
  res
    .pipe(new Iconv('cp1251', 'utf8'))
    .on('data', chunk => data.push(chunk))
    .on('end', () =>
      parseString(
        Buffer.concat(data),
        (err, res) => console.log(inspect(res, {depth: null}))
      )
    );
});

loader: 'babel-loader',
include: [
  path.resolve(__dirname, './src'),
]

const data = [
  [42, 'red'],
  [44, 'red'],
  [42, 'green'],
  [44, 'green'],
  [46, 'green'],
  [42, 'blue'],
  [46, 'blue']
];

data.reduce((s, [size, color]) => {
  if (size == selectedSize) s.add(color);  
  return s;
}, new Set());

$ browserify --node server.js -t [ babelify --presets [ babili ] ]  $(node -p 'Object.keys(require(`./package.json`).dependencies).map(e => `--exclude ${e}`).join(` `)') -o server.min.js

var d = new Date(2016, 10, 20);
var end = new Date(2017, 0, 20);
var dates = [];
while (d <= end) {
  dates.push(d.toLocaleDateString());
  d.setDate(d.getDate() + 1);
}