function createMicrobrewery(name) {
  const breweryName = name || "Hipster Brew Co.";
  // ...
}

function createMicrobrewery(name = "Hipster Brew Co.") {
  // ...
}

const form = document.querySelector('form');
form.addEventListener('submit', function(event) {
  event.preventDefault();
  console.log('Forma yuborilishi to'xtatildi');
 });

const child = document.querySelector('.child');
const parent = document.querySelector('.parent');

child.addEventListener('click', function(event) {
  event.stopPropagation();
  console.log('Faqat child elementi bosiladi');
});

parent.addEventListener('click', function() {
  console.log('Parent elementi bosiladi');
});

function displayTrafficLight(light){
    console.log(light)
}

setTimeout(displayTrafficLight('🟢'), 3000)

displayTrafficLight('🔴')

//Natija:
🟢

🔴