Crack the event loop

crack-the-event-loop-2.js

function main() {
  console.log('a');

  const a = new Promise((resolve) => {
    resolve('b');
    console.log('c');
  }).then(console.log);

  setTimeout(async () => {
    b();

    console.log('d');
  }, 0);

  async function b() {
    console.log('e');
  }

  console.log('f');

  a.then(() => console.log('g'));
}

main();

crack-the-event-loop.js

{
debugger;

function main() {
  console.log('1');

  setTimeout(() => new Promise((y, n) => {
    y('9');
  }).then(console.log), 0);
  setTimeout(async () => {
    const d = await Promise.resolve('8');

    console.log(d);
  }, 0);
  setTimeout(() => { a = Promise.resolve('7'); }, 0);
  Promise.resolve('6').then(console.log);
  setTimeout(() => console.log('2'), 0);
  setTimeout(() => Promise.resolve('4').then(console.log).then(() => console.log('5')), 0);

  a && a.then(console.log);

  console.log('3');
}

main();

}

debugger

setTimeout(function(){console.log(4)},0);

new Promise(function(resolve){
console.log(1);
for ( var i=0 ; i<10000 ; i++ ){ i==9999 && resolve() }
console.log(2)
}).then(function(){ console.log(5) });

console.log(3);