This tutorial discussed how to work with date and time in JavaScript with and without external libraries. Working with dates is always painful in almost (if not all) programming languages.

Chrome will soon throttle JavaScript timers in the background, so the browser uses significantly less power. Written by Liam Tung, Contributing Writer July 6, 2020 at 4:08 a.m. PT ...

Executing JavaScript code will definitely involve the processor cache and a high-resolution timer is accessible via browser performance API.

But as a JavaScript developer, you would know this theory doesn't hold long after you start working with dates for real. On top of different date-time formats, you have to consider timezone and ...