ByteFE
Jun 10, 2021 · Frontend Development
Understanding the 4 ms Minimum Delay of setTimeout and Implementing a Zero‑Delay Timer with postMessage
This article explains why browsers enforce a minimum 4 ms delay for nested setTimeout calls, demonstrates how to bypass it using window.postMessage to create a true zero‑delay timer, and compares the performance of both approaches with detailed experiments and visualizations.
frontendperformancepostMessage
0 likes · 10 min read