gskachkov

var all = items => Promise.all(items); 

async function asyncRandomNumbers() {
  const response = await fetch('https://www.random.org/decimal-fractions/?num=1&dec=10&col=1&format=plain&rnd=new');
  return Number(await response.text());
}

async function getUsers(count) {
  const response = await fetch("https://randomuser.me/api/?results=10", { method: "GET" }); 
  return JSON.parse(await response.text());

gskachkov

const getValue = () => { console.log('get-value'); return 'value'; };

async function* foo(value = getValue()) {
  console.log('before yield', value);
  yield value + '-yiled';
  
  console.log('after yield');
  return value + '-result';
}

gskachkov

Promise.resolve(1)
       .then(value => { console.log('fulfill:', value); return 'new value'; })
       .finally(value => { console.log('finally:', value); });
// fulfill: 1
// finally: new value

gskachkov

var foo = async function*() {};

typeof foo;
// "function"
foo.toString();
// "async function* () {}"

foo[Symbol.toStringTag];
// "AsyncFunction"

gskachkov

var foo = async function() {};

typeof foo;
// "function"
foo.toString();
// "async function () {}"

foo[Symbol.toStringTag];
// "AsyncFunction"

gskachkov

async function* asyncRandomNumbers() {
  // This is a web service that returns a random number
  const url = 'https://www.random.org/decimal-fractions/?num=1&dec=10&col=1&format=plain&rnd=new';

  while (true) {
    const response = await fetch(url);
    const text = await response.text();
    yield Number(text);
  }
}

gskachkov

var apiRoot = "https://jsonplaceholder.typicode.com/";
var currentUserCode = "[email protected]";

function fetchCurrentUser(cb) {
  $.ajax({url: apiRoot + "users", 
      complete: function(result) {
        if (result.status === 200) {
          var users = result.responseJSON;
          var currentUser = users
            .filter(user => user.email === currentUserCode)

gskachkov

function foo () {
 try {
    throw new Error('Error');
  } catch (boo) {
    eval('{ function boo() {} }');
    print(boo); // should be Error 
  }
  print(boo);  // should be function boo
}

gskachkov

async function getOrder1(id) {
    return _http.get('some/path'+1);
}

async function getOrder2(id) {
    return _http.get('some/path'+1);
}

async function flow(id) {
  const someValue = await getOrder1(id);

gskachkov

async function foo (value) {
  return Promise.resolve(value + 1);
}

async function bar (value) {
  return Promise.resolve(value + 2);
}

async function foobar() {
  const value = await foo(1);