You might be surprised. There are conditions under which browsers will impose a 4ms minimum delay when you ask for less. I believe it's when you set a timeout w

You might be surprised. There are conditions under which browsers will impose a 4ms minimum delay when you ask for less. I believe it's when you set a timeout within a timeout. Edit: close. https://html.spec.whatwg.org/multipage/webappapis.html#timers https://html.spec.whatwg.org/multipage/webappapis.html#timer... "Timers can be nested; after five such nested timers, however, the interval is forced to be at least four milliseconds."