JavaScript readability vs performance: a false tradeoff

By Shimin Zhang in Performance on 15 Jul 2022

"Prefer readability over premature optimization" is a popular developer mantra, but the mantra also implies that the two are mutually exclusive. Does this assumption actually hold true when we are dealing with hard-to-parse one-liners?…

Troubleshooting a JavaScript memory leak

By Shimin Zhang in Performance on 17 Jun 2022

Should I be sorting heap objects by distance, shallow size, or retained size? JavsScript memory is managed automatically, meaning the JS engine's garbage collector releases heap memory automatically when they are no longer in use.…