Can you answer?☺️ ☺️ 
What is the result of below code?

const promise = new Promise((resolve, reject) => {
  console.log(1);
  setTimeout(() => {
    console.log("timerStart");
    resolve("success");
    console.log("timerEnd");
  }, 0);
  console.log(2);
});

promise.then((res) => {
  console.log(res);
});

console.log(4);

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The code resolves the promise with "success" immediately, even though there's a setTimeout function with a 0ms delay, because the event loop runs before the timer starts.