'use strict';

const a = (param1, param2) => {
  return param1 + param2;
​
}
​
const b = (param1, param2) => param1 + param2;

async () => {
  await new Promise(...);
  const [
    result1,
    result2,
  ] = await Promise.all([
    new Promise(),
    new Promise(...)],
  );
  return value;
}

const start = new Promise((resolve, reject) => {
  xhr.get(url)
    .success((result) => resolve(result))
    .failure((error) => reject(error));
});
​
const afterStart = (startResult) => new Promise((resolve, reject) => {
});
​
start
  .then(afterStart)
  // Always start on a new line, its easier to catch
  // Always use a Promise or only { Promise.all([]) }, its eaiser to catch
  .then() => new Promise((resolve, reject) => {
  })
  .catch((error) => {
    console.log(error);
  });

console.log(window.location.hash);

#array

window.location.hash = '#object'

input = "a b c d e";
​
main(input) {
  ...
}
​
assert(expected, input) {
  console.log(input);
  actual = main(input);
  result = expected === actual;
  console.log(result);
  if (!result) {
    console.log(actual);
    console.log(expected);
  }
}
​
// Case 1
assert(expected, input);
​
// Case 2
assert(expected2, input2);
​
// Case 3
assert(expected3, input3);

class Animal {
  constructor() {
  }
}
​
class Cat extends Animal {
  constructor(props) {
    super(props)
  }
}