Run results for: Callback vs Promise2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:90.0) Gecko/20100101 Firefox/90.0

Browser: Firefox 90

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Promise	115254.7 Ops/sec
Callback	123247.1 Ops/sec

Script Preparation code:

function carlosWithPromise() {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      return resolve(5);
    });
  })
}

function carlosWithCallback(callback) {
  window.setTimeout(() => {
    callback(100);
  });
}

Tests:

Promise
carlosWithPromise() .then(parametro => { console.log('parametro: ', parametro); });
Callback
carlosWithCallback((param) => console.log('params::', param));