zero-delay

Fulu Network R&D Team

Aug 10, 2021 · Frontend Development

Implementing Zero-Delay Timers in JavaScript: Alternatives to setTimeout

This article explores why the native setTimeout cannot achieve a true 0 ms delay, presents a postMessage‑based zero‑timeout implementation, and compares several asynchronous JavaScript techniques—including queueMicrotask, async/await, and MessageChannel—showing their performance advantages over setTimeout.