MockTheClock – A tiny JavaScript library for spoofing time in browser

In plain words

MockTheClock is a JavaScript library that allows developers to manipulate time-related functions in web browsers. It spoofs timers and date/time functions, making it useful for slowing down 3D animations and testing time-dependent code. The library is designed for developers who need to control or simulate time passage in their applications during development and testing.

written from the facts on this page · September 2026

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