function processLargeTask(items) {
  let i = 0;
  
  function chunk() {
    let start = Date.now();
    while (i < items.length && (Date.now() - start) < 50) {
      // Xử lý từng item
      doSomething(items[i]);
      i++;
    }
    if (i < items.length) {
      setTimeout(chunk, 0); // tạo khối mới để tránh chặn giao diện
    }
  }
  
  chunk();
}

async function bigTask() {
  while (someCondition) {
    doWorkChunk();
    await scheduler.yield();
  }
}

self.onmessage = function(e) {
  let data = e.data;
  let result = heavyComputation(data);
  self.postMessage(result);
}

const worker = new Worker('worker.js');
worker.postMessage(largeDataSet);
worker.onmessage = function(e) {
  console.log('Kết quả:', e.data);
};

function* taskGenerator(items) {
  for (const item of items) {
    yield doSomething(item);
  }
}

// Sử dụng:
const task = taskGenerator(data);
function run() {
  const { done } = task.next();
  if (!done) setTimeout(run, 0);
}
run();

function update() {
  doPartialWork();
  if (moreWork) {
    requestAnimationFrame(update);
  }
}
update();