Algoritmlar (animatsiya)Brauzeringizda ishlaydiTekshirilgan sana: 1-oktabr, 2026

Event Loop animatsiyasi

Event Loop animatsiyasi. Front-end uchun animatsiyali algoritmlar: saralash, qidirish, debounce va throttle, event loop, virtual DOM, kesh, trie va yoʻl topish. Brauzeringizda tez, maxfiy va oson ishlaydi.

Mahalliystandart holatda maxfiyTezroʻyxatdan oʻtish shart emas

Quyidagi tool tugmalari va matnlari hozircha ingliz tilida.

How JavaScript runs your code

Press Play and follow each call, timer and promise.

Speed

Script

console.log('Start');

Promise.resolve().then(() => {
  console.log('Promise');
});

setTimeout(() => {
  console.log('Timeout');
}, 0);

console.log('End');

Call stack

runs one thing at a time

Web APIs (timers)

empty

nextTick

empty

Microtasks

empty

Macrotasks

empty

Console

Event loop

Stack empty? Run nextTick, then microtasks, then one macrotask.

Running your script

nothing printed yet

The script starts: main() is on the call stack.

Step 1 of 22

Running now (call stack)
Timer (Web API)
process.nextTick
Microtask (promise)
Macrotask (timer done, setImmediate)
just moved

Can you predict the output?

Tap the logs in the order you think they will print, then press Play to check.

Loading animation...